Home / 25,499.40-38,249.10-7,969.14

Finding the Fourth Proportional to 25,499.40, 38,249.10 and 7,969.14

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Solution

The fourth proportional to 25,499.40, 38,249.10 and 7,969.14 is: 11,953.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,499.40 : 38,249.10 = 7,969.14 : x
  2. Step 2: Convert to fraction form
    25,499.40/38,249.10 = 7,969.14/x
  3. Step 3: Cross multiply
    25,499.40x = 38,249.10 × 7,969.14
  4. Step 4: Simplify right side
    25,499.40x = 304,812,432.77
  5. Step 5: Solve for x
    x = 304,812,432.77/25,499.40
  6. Step 6: Final answer
    x = 11,953.71

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Double scale
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Similar ratio
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1.5x scale

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.