Home / 27,744.88-38,287.74-15,169.66

Finding the Fourth Proportional to 27,744.88, 38,287.74 and 15,169.66

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Solution

The fourth proportional to 27,744.88, 38,287.74 and 15,169.66 is: 20,934.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,744.88 : 38,287.74 = 15,169.66 : x
  2. Step 2: Convert to fraction form
    27,744.88/38,287.74 = 15,169.66/x
  3. Step 3: Cross multiply
    27,744.88x = 38,287.74 × 15,169.66
  4. Step 4: Simplify right side
    27,744.88x = 580,811,997.97
  5. Step 5: Solve for x
    x = 580,811,997.97/27,744.88
  6. Step 6: Final answer
    x = 20,934.02

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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.