Home / 27,629.12-41,451.76-8,908.78

Finding the Fourth Proportional to 27,629.12, 41,451.76 and 8,908.78

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Solution

The fourth proportional to 27,629.12, 41,451.76 and 8,908.78 is: 13,365.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,629.12 : 41,451.76 = 8,908.78 : x
  2. Step 2: Convert to fraction form
    27,629.12/41,451.76 = 8,908.78/x
  3. Step 3: Cross multiply
    27,629.12x = 41,451.76 × 8,908.78
  4. Step 4: Simplify right side
    27,629.12x = 369,284,358.65
  5. Step 5: Solve for x
    x = 369,284,358.65/27,629.12
  6. Step 6: Final answer
    x = 13,365.77

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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.