Home / 28,759.02-43,201.43-20,492.16

Finding the Fourth Proportional to 28,759.02, 43,201.43 and 20,492.16

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Solution

The fourth proportional to 28,759.02, 43,201.43 and 20,492.16 is: 30,783.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,759.02 : 43,201.43 = 20,492.16 : x
  2. Step 2: Convert to fraction form
    28,759.02/43,201.43 = 20,492.16/x
  3. Step 3: Cross multiply
    28,759.02x = 43,201.43 × 20,492.16
  4. Step 4: Simplify right side
    28,759.02x = 885,290,615.79
  5. Step 5: Solve for x
    x = 885,290,615.79/28,759.02
  6. Step 6: Final answer
    x = 30,783.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.