Home / 25,819.13-35,624.90-15,204.89

Finding the Fourth Proportional to 25,819.13, 35,624.90 and 15,204.89

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Solution

The fourth proportional to 25,819.13, 35,624.90 and 15,204.89 is: 20,979.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,819.13 : 35,624.90 = 15,204.89 : x
  2. Step 2: Convert to fraction form
    25,819.13/35,624.90 = 15,204.89/x
  3. Step 3: Cross multiply
    25,819.13x = 35,624.90 × 15,204.89
  4. Step 4: Simplify right side
    25,819.13x = 541,672,545.65
  5. Step 5: Solve for x
    x = 541,672,545.65/25,819.13
  6. Step 6: Final answer
    x = 20,979.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.