Home / 25,279.92-37,919.85-7,747.47

Finding the Fourth Proportional to 25,279.92, 37,919.85 and 7,747.47

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Solution

The fourth proportional to 25,279.92, 37,919.85 and 7,747.47 is: 11,621.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,279.92 : 37,919.85 = 7,747.47 : x
  2. Step 2: Convert to fraction form
    25,279.92/37,919.85 = 7,747.47/x
  3. Step 3: Cross multiply
    25,279.92x = 37,919.85 × 7,747.47
  4. Step 4: Simplify right side
    25,279.92x = 293,782,900.28
  5. Step 5: Solve for x
    x = 293,782,900.28/25,279.92
  6. Step 6: Final answer
    x = 11,621.20

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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.