Home / 27,819.91-41,700.71-10,278.55

Finding the Fourth Proportional to 27,819.91, 41,700.71 and 10,278.55

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Solution

The fourth proportional to 27,819.91, 41,700.71 and 10,278.55 is: 15,407.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,819.91 : 41,700.71 = 10,278.55 : x
  2. Step 2: Convert to fraction form
    27,819.91/41,700.71 = 10,278.55/x
  3. Step 3: Cross multiply
    27,819.91x = 41,700.71 × 10,278.55
  4. Step 4: Simplify right side
    27,819.91x = 428,622,781.38
  5. Step 5: Solve for x
    x = 428,622,781.38/27,819.91
  6. Step 6: Final answer
    x = 15,407.05

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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.