Home / 19,562.40-29,329.92-15,665.76

Finding the Fourth Proportional to 19,562.40, 29,329.92 and 15,665.76

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Solution

The fourth proportional to 19,562.40, 29,329.92 and 15,665.76 is: 23,487.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,562.40 : 29,329.92 = 15,665.76 : x
  2. Step 2: Convert to fraction form
    19,562.40/29,329.92 = 15,665.76/x
  3. Step 3: Cross multiply
    19,562.40x = 29,329.92 × 15,665.76
  4. Step 4: Simplify right side
    19,562.40x = 459,475,487.54
  5. Step 5: Solve for x
    x = 459,475,487.54/19,562.40
  6. Step 6: Final answer
    x = 23,487.68

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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.