Home / 20,034.30-27,670.03-13,649.82

Finding the Fourth Proportional to 20,034.30, 27,670.03 and 13,649.82

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Solution

The fourth proportional to 20,034.30, 27,670.03 and 13,649.82 is: 18,852.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,034.30 : 27,670.03 = 13,649.82 : x
  2. Step 2: Convert to fraction form
    20,034.30/27,670.03 = 13,649.82/x
  3. Step 3: Cross multiply
    20,034.30x = 27,670.03 × 13,649.82
  4. Step 4: Simplify right side
    20,034.30x = 377,690,928.89
  5. Step 5: Solve for x
    x = 377,690,928.89/20,034.30
  6. Step 6: Final answer
    x = 18,852.21

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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.