Home / 27,169.43-40,721.33-19,755.50

Finding the Fourth Proportional to 27,169.43, 40,721.33 and 19,755.50

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Solution

The fourth proportional to 27,169.43, 40,721.33 and 19,755.50 is: 29,609.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,169.43 : 40,721.33 = 19,755.50 : x
  2. Step 2: Convert to fraction form
    27,169.43/40,721.33 = 19,755.50/x
  3. Step 3: Cross multiply
    27,169.43x = 40,721.33 × 19,755.50
  4. Step 4: Simplify right side
    27,169.43x = 804,469,932.43
  5. Step 5: Solve for x
    x = 804,469,932.43/27,169.43
  6. Step 6: Final answer
    x = 29,609.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.