Home / 38,087.11-57,112.64-11,422.82

Finding the Fourth Proportional to 38,087.11, 57,112.64 and 11,422.82

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Solution

The fourth proportional to 38,087.11, 57,112.64 and 11,422.82 is: 17,128.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,087.11 : 57,112.64 = 11,422.82 : x
  2. Step 2: Convert to fraction form
    38,087.11/57,112.64 = 11,422.82/x
  3. Step 3: Cross multiply
    38,087.11x = 57,112.64 × 11,422.82
  4. Step 4: Simplify right side
    38,087.11x = 652,387,599.20
  5. Step 5: Solve for x
    x = 652,387,599.20/38,087.11
  6. Step 6: Final answer
    x = 17,128.83

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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.