Home / 57,387.20-86,085.75-15,834.20

Finding the Fourth Proportional to 57,387.20, 86,085.75 and 15,834.20

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Solution

The fourth proportional to 57,387.20, 86,085.75 and 15,834.20 is: 23,752.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,387.20 : 86,085.75 = 15,834.20 : x
  2. Step 2: Convert to fraction form
    57,387.20/86,085.75 = 15,834.20/x
  3. Step 3: Cross multiply
    57,387.20x = 86,085.75 × 15,834.20
  4. Step 4: Simplify right side
    57,387.20x = 1,363,098,552.22
  5. Step 5: Solve for x
    x = 1,363,098,552.22/57,387.20
  6. Step 6: Final answer
    x = 23,752.66

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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.