Home / 25,674.18-38,511.42-7,904.61

Finding the Fourth Proportional to 25,674.18, 38,511.42 and 7,904.61

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Solution

The fourth proportional to 25,674.18, 38,511.42 and 7,904.61 is: 11,856.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,674.18 : 38,511.42 = 7,904.61 : x
  2. Step 2: Convert to fraction form
    25,674.18/38,511.42 = 7,904.61/x
  3. Step 3: Cross multiply
    25,674.18x = 38,511.42 × 7,904.61
  4. Step 4: Simplify right side
    25,674.18x = 304,417,755.65
  5. Step 5: Solve for x
    x = 304,417,755.65/25,674.18
  6. Step 6: Final answer
    x = 11,856.96

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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.