Home / 71,909.16-107,897.18-27,521.28

Finding the Fourth Proportional to 71,909.16, 107,897.18 and 27,521.28

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Solution

The fourth proportional to 71,909.16, 107,897.18 and 27,521.28 is: 41,294.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,909.16 : 107,897.18 = 27,521.28 : x
  2. Step 2: Convert to fraction form
    71,909.16/107,897.18 = 27,521.28/x
  3. Step 3: Cross multiply
    71,909.16x = 107,897.18 × 27,521.28
  4. Step 4: Simplify right side
    71,909.16x = 2,969,468,501.99
  5. Step 5: Solve for x
    x = 2,969,468,501.99/71,909.16
  6. Step 6: Final answer
    x = 41,294.72

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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.