Home / 52,720.28-72,755.04-28,847.46

Finding the Fourth Proportional to 52,720.28, 72,755.04 and 28,847.46

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Solution

The fourth proportional to 52,720.28, 72,755.04 and 28,847.46 is: 39,810.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,720.28 : 72,755.04 = 28,847.46 : x
  2. Step 2: Convert to fraction form
    52,720.28/72,755.04 = 28,847.46/x
  3. Step 3: Cross multiply
    52,720.28x = 72,755.04 × 28,847.46
  4. Step 4: Simplify right side
    52,720.28x = 2,098,798,106.20
  5. Step 5: Solve for x
    x = 2,098,798,106.20/52,720.28
  6. Step 6: Final answer
    x = 39,810.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.