Home / 38,278.14-57,419.45-11,625

Finding the Fourth Proportional to 38,278.14, 57,419.45 and 11,625

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Solution

The fourth proportional to 38,278.14, 57,419.45 and 11,625 is: 17,438.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,278.14 : 57,419.45 = 11,625 : x
  2. Step 2: Convert to fraction form
    38,278.14/57,419.45 = 11,625/x
  3. Step 3: Cross multiply
    38,278.14x = 57,419.45 × 11,625
  4. Step 4: Simplify right side
    38,278.14x = 667,501,048.13
  5. Step 5: Solve for x
    x = 667,501,048.13/38,278.14
  6. Step 6: Final answer
    x = 17,438.18

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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.