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Finding the Fourth Proportional to 22,250.46, 33,375.64 and 8,929.45

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Solution

The fourth proportional to 22,250.46, 33,375.64 and 8,929.45 is: 13,394.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,250.46 : 33,375.64 = 8,929.45 : x
  2. Step 2: Convert to fraction form
    22,250.46/33,375.64 = 8,929.45/x
  3. Step 3: Cross multiply
    22,250.46x = 33,375.64 × 8,929.45
  4. Step 4: Simplify right side
    22,250.46x = 298,026,108.60
  5. Step 5: Solve for x
    x = 298,026,108.60/22,250.46
  6. Step 6: Final answer
    x = 13,394.15

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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.