Home / 27,619.50-38,115.06-15,044.28

Finding the Fourth Proportional to 27,619.50, 38,115.06 and 15,044.28

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Solution

The fourth proportional to 27,619.50, 38,115.06 and 15,044.28 is: 20,761.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,619.50 : 38,115.06 = 15,044.28 : x
  2. Step 2: Convert to fraction form
    27,619.50/38,115.06 = 15,044.28/x
  3. Step 3: Cross multiply
    27,619.50x = 38,115.06 × 15,044.28
  4. Step 4: Simplify right side
    27,619.50x = 573,413,634.86
  5. Step 5: Solve for x
    x = 573,413,634.86/27,619.50
  6. Step 6: Final answer
    x = 20,761.19

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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.