Home / 25,948.11-38,927.85-8,419.71

Finding the Fourth Proportional to 25,948.11, 38,927.85 and 8,419.71

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Solution

The fourth proportional to 25,948.11, 38,927.85 and 8,419.71 is: 12,631.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,948.11 : 38,927.85 = 8,419.71 : x
  2. Step 2: Convert to fraction form
    25,948.11/38,927.85 = 8,419.71/x
  3. Step 3: Cross multiply
    25,948.11x = 38,927.85 × 8,419.71
  4. Step 4: Simplify right side
    25,948.11x = 327,761,207.92
  5. Step 5: Solve for x
    x = 327,761,207.92/25,948.11
  6. Step 6: Final answer
    x = 12,631.41

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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.