Home / 27,617.76-38,112.91-15,042.50

Finding the Fourth Proportional to 27,617.76, 38,112.91 and 15,042.50

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Solution

The fourth proportional to 27,617.76, 38,112.91 and 15,042.50 is: 20,758.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,617.76 : 38,112.91 = 15,042.50 : x
  2. Step 2: Convert to fraction form
    27,617.76/38,112.91 = 15,042.50/x
  3. Step 3: Cross multiply
    27,617.76x = 38,112.91 × 15,042.50
  4. Step 4: Simplify right side
    27,617.76x = 573,313,448.68
  5. Step 5: Solve for x
    x = 573,313,448.68/27,617.76
  6. Step 6: Final answer
    x = 20,758.87

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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.