Home / 25,659.92-38,480.58-10,869.86

Finding the Fourth Proportional to 25,659.92, 38,480.58 and 10,869.86

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Solution

The fourth proportional to 25,659.92, 38,480.58 and 10,869.86 is: 16,300.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,659.92 : 38,480.58 = 10,869.86 : x
  2. Step 2: Convert to fraction form
    25,659.92/38,480.58 = 10,869.86/x
  3. Step 3: Cross multiply
    25,659.92x = 38,480.58 × 10,869.86
  4. Step 4: Simplify right side
    25,659.92x = 418,278,517.32
  5. Step 5: Solve for x
    x = 418,278,517.32/25,659.92
  6. Step 6: Final answer
    x = 16,300.85

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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.