Home / 27,917.71-41,882.72-15,455.91

Finding the Fourth Proportional to 27,917.71, 41,882.72 and 15,455.91

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Solution

The fourth proportional to 27,917.71, 41,882.72 and 15,455.91 is: 23,187.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,917.71 : 41,882.72 = 15,455.91 : x
  2. Step 2: Convert to fraction form
    27,917.71/41,882.72 = 15,455.91/x
  3. Step 3: Cross multiply
    27,917.71x = 41,882.72 × 15,455.91
  4. Step 4: Simplify right side
    27,917.71x = 647,335,550.88
  5. Step 5: Solve for x
    x = 647,335,550.88/27,917.71
  6. Step 6: Final answer
    x = 23,187.27

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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.