Home / 67,397.68-101,132.94-27,982

Finding the Fourth Proportional to 67,397.68, 101,132.94 and 27,982

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Solution

The fourth proportional to 67,397.68, 101,132.94 and 27,982 is: 41,988.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,397.68 : 101,132.94 = 27,982 : x
  2. Step 2: Convert to fraction form
    67,397.68/101,132.94 = 27,982/x
  3. Step 3: Cross multiply
    67,397.68x = 101,132.94 × 27,982
  4. Step 4: Simplify right side
    67,397.68x = 2,829,901,927.08
  5. Step 5: Solve for x
    x = 2,829,901,927.08/67,397.68
  6. Step 6: Final answer
    x = 41,988.12

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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.