Home / 27,617.28-38,111.49-15,042.03

Finding the Fourth Proportional to 27,617.28, 38,111.49 and 15,042.03

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Solution

The fourth proportional to 27,617.28, 38,111.49 and 15,042.03 is: 20,757.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,617.28 : 38,111.49 = 15,042.03 : x
  2. Step 2: Convert to fraction form
    27,617.28/38,111.49 = 15,042.03/x
  3. Step 3: Cross multiply
    27,617.28x = 38,111.49 × 15,042.03
  4. Step 4: Simplify right side
    27,617.28x = 573,274,175.92
  5. Step 5: Solve for x
    x = 573,274,175.92/27,617.28
  6. Step 6: Final answer
    x = 20,757.81

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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.