Home / 41,972.76-62,920.26-15,657.48

Finding the Fourth Proportional to 41,972.76, 62,920.26 and 15,657.48

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Solution

The fourth proportional to 41,972.76, 62,920.26 and 15,657.48 is: 23,471.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,972.76 : 62,920.26 = 15,657.48 : x
  2. Step 2: Convert to fraction form
    41,972.76/62,920.26 = 15,657.48/x
  3. Step 3: Cross multiply
    41,972.76x = 62,920.26 × 15,657.48
  4. Step 4: Simplify right side
    41,972.76x = 985,172,712.54
  5. Step 5: Solve for x
    x = 985,172,712.54/41,972.76
  6. Step 6: Final answer
    x = 23,471.72

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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.