No they do not form a proportion. If i'm wrong i'm sorry. Maybe I did my math wrong but I don't think they form a proportion .
Answer: 
Step-by-step explanation:
Given
Height is
more than its width
Suppose the width is
. So, height becomes 
Area of the painting is 
Area is the product of width and height

Neglect the negative values

Answer:
are we supposed to find w ?
Step-by-step explanation:
i dk what to do, do you have a pic to go along?
Most fool-proof way to do this in my opinion is to simply expand everything and write it out, i.e.

Throwing this into a calculator, we get
23.032To the nearest cent, this gives us
$23.03
The points (1,-2) and (4,16) are not in the line but the point (-3,-18) is on the line. (Work is shown in the image)