Home / 25,381.38-38,081.10-11,340.12

Finding the Fourth Proportional to 25,381.38, 38,081.10 and 11,340.12

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Solution

The fourth proportional to 25,381.38, 38,081.10 and 11,340.12 is: 17,014.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,381.38 : 38,081.10 = 11,340.12 : x
  2. Step 2: Convert to fraction form
    25,381.38/38,081.10 = 11,340.12/x
  3. Step 3: Cross multiply
    25,381.38x = 38,081.10 × 11,340.12
  4. Step 4: Simplify right side
    25,381.38x = 431,844,243.73
  5. Step 5: Solve for x
    x = 431,844,243.73/25,381.38
  6. Step 6: Final answer
    x = 17,014.21

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1.5x scale

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.