Home / 25,489.22-38,233.82-7,960.55

Finding the Fourth Proportional to 25,489.22, 38,233.82 and 7,960.55

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Solution

The fourth proportional to 25,489.22, 38,233.82 and 7,960.55 is: 11,940.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,489.22 : 38,233.82 = 7,960.55 : x
  2. Step 2: Convert to fraction form
    25,489.22/38,233.82 = 7,960.55/x
  3. Step 3: Cross multiply
    25,489.22x = 38,233.82 × 7,960.55
  4. Step 4: Simplify right side
    25,489.22x = 304,362,064.53
  5. Step 5: Solve for x
    x = 304,362,064.53/25,489.22
  6. Step 6: Final answer
    x = 11,940.82

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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.