Home / 38,616.62-57,929.70-13,651.52

Finding the Fourth Proportional to 38,616.62, 57,929.70 and 13,651.52

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Solution

The fourth proportional to 38,616.62, 57,929.70 and 13,651.52 is: 20,478.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,616.62 : 57,929.70 = 13,651.52 : x
  2. Step 2: Convert to fraction form
    38,616.62/57,929.70 = 13,651.52/x
  3. Step 3: Cross multiply
    38,616.62x = 57,929.70 × 13,651.52
  4. Step 4: Simplify right side
    38,616.62x = 790,828,458.14
  5. Step 5: Solve for x
    x = 790,828,458.14/38,616.62
  6. Step 6: Final answer
    x = 20,478.97

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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.