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Finding the Fourth Proportional to 67,704, 101,556 and 18,456

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Solution

The fourth proportional to 67,704, 101,556 and 18,456 is: 27,684

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,704 : 101,556 = 18,456 : x
  2. Step 2: Convert to fraction form
    67,704/101,556 = 18,456/x
  3. Step 3: Cross multiply
    67,704x = 101,556 × 18,456
  4. Step 4: Simplify right side
    67,704x = 1,874,317,536
  5. Step 5: Solve for x
    x = 1,874,317,536/67,704
  6. Step 6: Final answer
    x = 27,684

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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.