Home / 20,253.72-27,974.46-15,593.88

Finding the Fourth Proportional to 20,253.72, 27,974.46 and 15,593.88

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Solution

The fourth proportional to 20,253.72, 27,974.46 and 15,593.88 is: 21,538.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,253.72 : 27,974.46 = 15,593.88 : x
  2. Step 2: Convert to fraction form
    20,253.72/27,974.46 = 15,593.88/x
  3. Step 3: Cross multiply
    20,253.72x = 27,974.46 × 15,593.88
  4. Step 4: Simplify right side
    20,253.72x = 436,230,372.30
  5. Step 5: Solve for x
    x = 436,230,372.30/20,253.72
  6. Step 6: Final answer
    x = 21,538.28

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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.