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Finding the Fourth Proportional to 22,608, 33,912 and 8,757

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Solution

The fourth proportional to 22,608, 33,912 and 8,757 is: 13,135.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,608 : 33,912 = 8,757 : x
  2. Step 2: Convert to fraction form
    22,608/33,912 = 8,757/x
  3. Step 3: Cross multiply
    22,608x = 33,912 × 8,757
  4. Step 4: Simplify right side
    22,608x = 296,967,384
  5. Step 5: Solve for x
    x = 296,967,384/22,608
  6. Step 6: Final answer
    x = 13,135.50

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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.