Home / 20,234.30-27,921.89-11,282.27

Finding the Fourth Proportional to 20,234.30, 27,921.89 and 11,282.27

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Solution

The fourth proportional to 20,234.30, 27,921.89 and 11,282.27 is: 15,568.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,234.30 : 27,921.89 = 11,282.27 : x
  2. Step 2: Convert to fraction form
    20,234.30/27,921.89 = 11,282.27/x
  3. Step 3: Cross multiply
    20,234.30x = 27,921.89 × 11,282.27
  4. Step 4: Simplify right side
    20,234.30x = 315,022,245.48
  5. Step 5: Solve for x
    x = 315,022,245.48/20,234.30
  6. Step 6: Final answer
    x = 15,568.72

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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.