Home / 25,880.70-38,793.37-11,819.66

Finding the Fourth Proportional to 25,880.70, 38,793.37 and 11,819.66

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Solution

The fourth proportional to 25,880.70, 38,793.37 and 11,819.66 is: 17,716.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,880.70 : 38,793.37 = 11,819.66 : x
  2. Step 2: Convert to fraction form
    25,880.70/38,793.37 = 11,819.66/x
  3. Step 3: Cross multiply
    25,880.70x = 38,793.37 × 11,819.66
  4. Step 4: Simplify right side
    25,880.70x = 458,524,384.56
  5. Step 5: Solve for x
    x = 458,524,384.56/25,880.70
  6. Step 6: Final answer
    x = 17,716.85

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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.