Home / 38,578.35-57,819.79-22,767.36

Finding the Fourth Proportional to 38,578.35, 57,819.79 and 22,767.36

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Solution

The fourth proportional to 38,578.35, 57,819.79 and 22,767.36 is: 34,122.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,578.35 : 57,819.79 = 22,767.36 : x
  2. Step 2: Convert to fraction form
    38,578.35/57,819.79 = 22,767.36/x
  3. Step 3: Cross multiply
    38,578.35x = 57,819.79 × 22,767.36
  4. Step 4: Simplify right side
    38,578.35x = 1,316,403,974.05
  5. Step 5: Solve for x
    x = 1,316,403,974.05/38,578.35
  6. Step 6: Final answer
    x = 34,122.87

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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.