Home / 27,308.76-40,979.06-11,512.82

Finding the Fourth Proportional to 27,308.76, 40,979.06 and 11,512.82

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Solution

The fourth proportional to 27,308.76, 40,979.06 and 11,512.82 is: 17,275.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,308.76 : 40,979.06 = 11,512.82 : x
  2. Step 2: Convert to fraction form
    27,308.76/40,979.06 = 11,512.82/x
  3. Step 3: Cross multiply
    27,308.76x = 40,979.06 × 11,512.82
  4. Step 4: Simplify right side
    27,308.76x = 471,784,279.09
  5. Step 5: Solve for x
    x = 471,784,279.09/27,308.76
  6. Step 6: Final answer
    x = 17,275.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.