Home / 27,617.72-38,112.86-15,042.44

Finding the Fourth Proportional to 27,617.72, 38,112.86 and 15,042.44

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Solution

The fourth proportional to 27,617.72, 38,112.86 and 15,042.44 is: 20,758.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,617.72 : 38,112.86 = 15,042.44 : x
  2. Step 2: Convert to fraction form
    27,617.72/38,112.86 = 15,042.44/x
  3. Step 3: Cross multiply
    27,617.72x = 38,112.86 × 15,042.44
  4. Step 4: Simplify right side
    27,617.72x = 573,310,409.78
  5. Step 5: Solve for x
    x = 573,310,409.78/27,617.72
  6. Step 6: Final answer
    x = 20,758.79

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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.