Home / 27,936.80-38,553.53-15,190.83

Finding the Fourth Proportional to 27,936.80, 38,553.53 and 15,190.83

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Solution

The fourth proportional to 27,936.80, 38,553.53 and 15,190.83 is: 20,963.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,936.80 : 38,553.53 = 15,190.83 : x
  2. Step 2: Convert to fraction form
    27,936.80/38,553.53 = 15,190.83/x
  3. Step 3: Cross multiply
    27,936.80x = 38,553.53 × 15,190.83
  4. Step 4: Simplify right side
    27,936.80x = 585,660,044.18
  5. Step 5: Solve for x
    x = 585,660,044.18/27,936.80
  6. Step 6: Final answer
    x = 20,963.75

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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.