Question

Find the value of x if x, 28, 20 and 4 are in proportion

Answer 1

Answer:

x, 28, 20 and 4 are in proportion so

x/28=20/4

4x= 20×28

x=5×28=140

Answer 2

Answer:

x==140

Step-by-step explanation:

as 20/4= 5/1

so x/28= 5/1

then x= 28×5

that is 140