Home / 25,489.32-38,233.68-7,959.28

Finding the Fourth Proportional to 25,489.32, 38,233.68 and 7,959.28

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Solution

The fourth proportional to 25,489.32, 38,233.68 and 7,959.28 is: 11,938.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,489.32 : 38,233.68 = 7,959.28 : x
  2. Step 2: Convert to fraction form
    25,489.32/38,233.68 = 7,959.28/x
  3. Step 3: Cross multiply
    25,489.32x = 38,233.68 × 7,959.28
  4. Step 4: Simplify right side
    25,489.32x = 304,312,564.55
  5. Step 5: Solve for x
    x = 304,312,564.55/25,489.32
  6. Step 6: Final answer
    x = 11,938.83

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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.