Question

28% of what number is 63

Answer 1

28/100= x/63 
 
28*63=1764.
100*x=100x
 We divide 100 both sides. 
 What will be the Answer?

Answer 2

We set up a proportion: 63/?= 28/100

Cross multiply: 28*?= 63*100
⇒ ?= 63*100/28= 225

28% of 225 is 63.