Home / 40,227.38-60,319.15-13,929.94

Finding the Fourth Proportional to 40,227.38, 60,319.15 and 13,929.94

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Solution

The fourth proportional to 40,227.38, 60,319.15 and 13,929.94 is: 20,887.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,227.38 : 60,319.15 = 13,929.94 : x
  2. Step 2: Convert to fraction form
    40,227.38/60,319.15 = 13,929.94/x
  3. Step 3: Cross multiply
    40,227.38x = 60,319.15 × 13,929.94
  4. Step 4: Simplify right side
    40,227.38x = 840,242,140.35
  5. Step 5: Solve for x
    x = 840,242,140.35/40,227.38
  6. Step 6: Final answer
    x = 20,887.32

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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.