Home / 25,487.62-38,231.43-7,958.95

Finding the Fourth Proportional to 25,487.62, 38,231.43 and 7,958.95

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Solution

The fourth proportional to 25,487.62, 38,231.43 and 7,958.95 is: 11,938.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,487.62 : 38,231.43 = 7,958.95 : x
  2. Step 2: Convert to fraction form
    25,487.62/38,231.43 = 7,958.95/x
  3. Step 3: Cross multiply
    25,487.62x = 38,231.43 × 7,958.95
  4. Step 4: Simplify right side
    25,487.62x = 304,282,039.80
  5. Step 5: Solve for x
    x = 304,282,039.80/25,487.62
  6. Step 6: Final answer
    x = 11,938.43

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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.