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Finding the Fourth Proportional to 42,352, 63,528 and 17,728

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Solution

The fourth proportional to 42,352, 63,528 and 17,728 is: 26,592

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,352 : 63,528 = 17,728 : x
  2. Step 2: Convert to fraction form
    42,352/63,528 = 17,728/x
  3. Step 3: Cross multiply
    42,352x = 63,528 × 17,728
  4. Step 4: Simplify right side
    42,352x = 1,126,224,384
  5. Step 5: Solve for x
    x = 1,126,224,384/42,352
  6. Step 6: Final answer
    x = 26,592

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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.