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Finding the Fourth Proportional to 25,382.91, 38,046.05 and 10,586.91

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Solution

The fourth proportional to 25,382.91, 38,046.05 and 10,586.91 is: 15,868.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,382.91 : 38,046.05 = 10,586.91 : x
  2. Step 2: Convert to fraction form
    25,382.91/38,046.05 = 10,586.91/x
  3. Step 3: Cross multiply
    25,382.91x = 38,046.05 × 10,586.91
  4. Step 4: Simplify right side
    25,382.91x = 402,790,054.27
  5. Step 5: Solve for x
    x = 402,790,054.27/25,382.91
  6. Step 6: Final answer
    x = 15,868.55

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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.