Home / 20,060.28-27,682.11-10,983.89

Finding the Fourth Proportional to 20,060.28, 27,682.11 and 10,983.89

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Solution

The fourth proportional to 20,060.28, 27,682.11 and 10,983.89 is: 15,157.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,060.28 : 27,682.11 = 10,983.89 : x
  2. Step 2: Convert to fraction form
    20,060.28/27,682.11 = 10,983.89/x
  3. Step 3: Cross multiply
    20,060.28x = 27,682.11 × 10,983.89
  4. Step 4: Simplify right side
    20,060.28x = 304,057,320.41
  5. Step 5: Solve for x
    x = 304,057,320.41/20,060.28
  6. Step 6: Final answer
    x = 15,157.18

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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.