Home / 27,617.43-38,112.80-15,042.99

Finding the Fourth Proportional to 27,617.43, 38,112.80 and 15,042.99

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Solution

The fourth proportional to 27,617.43, 38,112.80 and 15,042.99 is: 20,759.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,617.43 : 38,112.80 = 15,042.99 : x
  2. Step 2: Convert to fraction form
    27,617.43/38,112.80 = 15,042.99/x
  3. Step 3: Cross multiply
    27,617.43x = 38,112.80 × 15,042.99
  4. Step 4: Simplify right side
    27,617.43x = 573,330,394.06
  5. Step 5: Solve for x
    x = 573,330,394.06/27,617.43
  6. Step 6: Final answer
    x = 20,759.73

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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.