Home / 38,921.65-58,404.69-15,231.13

Finding the Fourth Proportional to 38,921.65, 58,404.69 and 15,231.13

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Solution

The fourth proportional to 38,921.65, 58,404.69 and 15,231.13 is: 22,855.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,921.65 : 58,404.69 = 15,231.13 : x
  2. Step 2: Convert to fraction form
    38,921.65/58,404.69 = 15,231.13/x
  3. Step 3: Cross multiply
    38,921.65x = 58,404.69 × 15,231.13
  4. Step 4: Simplify right side
    38,921.65x = 889,569,279.99
  5. Step 5: Solve for x
    x = 889,569,279.99/38,921.65
  6. Step 6: Final answer
    x = 22,855.39

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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.