Home / 38,286.14-57,435.33-13,333.28

Finding the Fourth Proportional to 38,286.14, 57,435.33 and 13,333.28

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Solution

The fourth proportional to 38,286.14, 57,435.33 and 13,333.28 is: 20,002.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,286.14 : 57,435.33 = 13,333.28 : x
  2. Step 2: Convert to fraction form
    38,286.14/57,435.33 = 13,333.28/x
  3. Step 3: Cross multiply
    38,286.14x = 57,435.33 × 13,333.28
  4. Step 4: Simplify right side
    38,286.14x = 765,801,049.61
  5. Step 5: Solve for x
    x = 765,801,049.61/38,286.14
  6. Step 6: Final answer
    x = 20,002.05

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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.