Home / 27,909.36-38,517.06-15,976.44

Finding the Fourth Proportional to 27,909.36, 38,517.06 and 15,976.44

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Solution

The fourth proportional to 27,909.36, 38,517.06 and 15,976.44 is: 22,048.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,909.36 : 38,517.06 = 15,976.44 : x
  2. Step 2: Convert to fraction form
    27,909.36/38,517.06 = 15,976.44/x
  3. Step 3: Cross multiply
    27,909.36x = 38,517.06 × 15,976.44
  4. Step 4: Simplify right side
    27,909.36x = 615,365,498.07
  5. Step 5: Solve for x
    x = 615,365,498.07/27,909.36
  6. Step 6: Final answer
    x = 22,048.71

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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.