Home / 18,107.13-27,036.82-16,220.85

Finding the Fourth Proportional to 18,107.13, 27,036.82 and 16,220.85

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Solution

The fourth proportional to 18,107.13, 27,036.82 and 16,220.85 is: 24,220.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,107.13 : 27,036.82 = 16,220.85 : x
  2. Step 2: Convert to fraction form
    18,107.13/27,036.82 = 16,220.85/x
  3. Step 3: Cross multiply
    18,107.13x = 27,036.82 × 16,220.85
  4. Step 4: Simplify right side
    18,107.13x = 438,560,201.70
  5. Step 5: Solve for x
    x = 438,560,201.70/18,107.13
  6. Step 6: Final answer
    x = 24,220.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.