Home / 25,800.27-38,687.58-8,267.82

Finding the Fourth Proportional to 25,800.27, 38,687.58 and 8,267.82

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Solution

The fourth proportional to 25,800.27, 38,687.58 and 8,267.82 is: 12,397.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,800.27 : 38,687.58 = 8,267.82 : x
  2. Step 2: Convert to fraction form
    25,800.27/38,687.58 = 8,267.82/x
  3. Step 3: Cross multiply
    25,800.27x = 38,687.58 × 8,267.82
  4. Step 4: Simplify right side
    25,800.27x = 319,861,947.68
  5. Step 5: Solve for x
    x = 319,861,947.68/25,800.27
  6. Step 6: Final answer
    x = 12,397.62

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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.