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Finding the Fourth Proportional to 22,610.61, 33,926 and 8,760.69

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Solution

The fourth proportional to 22,610.61, 33,926 and 8,760.69 is: 13,144.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,610.61 : 33,926 = 8,760.69 : x
  2. Step 2: Convert to fraction form
    22,610.61/33,926 = 8,760.69/x
  3. Step 3: Cross multiply
    22,610.61x = 33,926 × 8,760.69
  4. Step 4: Simplify right side
    22,610.61x = 297,215,168.94
  5. Step 5: Solve for x
    x = 297,215,168.94/22,610.61
  6. Step 6: Final answer
    x = 13,144.94

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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.