Home / 20,814.28-31,220.50-6,022.87

Finding the Fourth Proportional to 20,814.28, 31,220.50 and 6,022.87

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Solution

The fourth proportional to 20,814.28, 31,220.50 and 6,022.87 is: 9,034.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,814.28 : 31,220.50 = 6,022.87 : x
  2. Step 2: Convert to fraction form
    20,814.28/31,220.50 = 6,022.87/x
  3. Step 3: Cross multiply
    20,814.28x = 31,220.50 × 6,022.87
  4. Step 4: Simplify right side
    20,814.28x = 188,036,919.73
  5. Step 5: Solve for x
    x = 188,036,919.73/20,814.28
  6. Step 6: Final answer
    x = 9,034.04

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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.