Home / 25,537.20-38,305.80-18,474

Finding the Fourth Proportional to 25,537.20, 38,305.80 and 18,474

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Solution

The fourth proportional to 25,537.20, 38,305.80 and 18,474 is: 27,711

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,537.20 : 38,305.80 = 18,474 : x
  2. Step 2: Convert to fraction form
    25,537.20/38,305.80 = 18,474/x
  3. Step 3: Cross multiply
    25,537.20x = 38,305.80 × 18,474
  4. Step 4: Simplify right side
    25,537.20x = 707,661,349.20
  5. Step 5: Solve for x
    x = 707,661,349.20/25,537.20
  6. Step 6: Final answer
    x = 27,711

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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.