Home / 20,614.44-30,882.78-15,974.76

Finding the Fourth Proportional to 20,614.44, 30,882.78 and 15,974.76

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Solution

The fourth proportional to 20,614.44, 30,882.78 and 15,974.76 is: 23,932.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,614.44 : 30,882.78 = 15,974.76 : x
  2. Step 2: Convert to fraction form
    20,614.44/30,882.78 = 15,974.76/x
  3. Step 3: Cross multiply
    20,614.44x = 30,882.78 × 15,974.76
  4. Step 4: Simplify right side
    20,614.44x = 493,344,998.63
  5. Step 5: Solve for x
    x = 493,344,998.63/20,614.44
  6. Step 6: Final answer
    x = 23,932.01

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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.