Home / 22,761.76-34,098.90-12,871.66

Finding the Fourth Proportional to 22,761.76, 34,098.90 and 12,871.66

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Solution

The fourth proportional to 22,761.76, 34,098.90 and 12,871.66 is: 19,282.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,761.76 : 34,098.90 = 12,871.66 : x
  2. Step 2: Convert to fraction form
    22,761.76/34,098.90 = 12,871.66/x
  3. Step 3: Cross multiply
    22,761.76x = 34,098.90 × 12,871.66
  4. Step 4: Simplify right side
    22,761.76x = 438,909,447.17
  5. Step 5: Solve for x
    x = 438,909,447.17/22,761.76
  6. Step 6: Final answer
    x = 19,282.76

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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.