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Finding the Fourth Proportional to 22,013.01, 33,027.74 and 8,869.11

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Solution

The fourth proportional to 22,013.01, 33,027.74 and 8,869.11 is: 13,306.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,013.01 : 33,027.74 = 8,869.11 : x
  2. Step 2: Convert to fraction form
    22,013.01/33,027.74 = 8,869.11/x
  3. Step 3: Cross multiply
    22,013.01x = 33,027.74 × 8,869.11
  4. Step 4: Simplify right side
    22,013.01x = 292,926,614.77
  5. Step 5: Solve for x
    x = 292,926,614.77/22,013.01
  6. Step 6: Final answer
    x = 13,306.98

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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.