Home / 27,418.38-41,144.58-12,629.40

Finding the Fourth Proportional to 27,418.38, 41,144.58 and 12,629.40

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Solution

The fourth proportional to 27,418.38, 41,144.58 and 12,629.40 is: 18,951.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,418.38 : 41,144.58 = 12,629.40 : x
  2. Step 2: Convert to fraction form
    27,418.38/41,144.58 = 12,629.40/x
  3. Step 3: Cross multiply
    27,418.38x = 41,144.58 × 12,629.40
  4. Step 4: Simplify right side
    27,418.38x = 519,631,358.65
  5. Step 5: Solve for x
    x = 519,631,358.65/27,418.38
  6. Step 6: Final answer
    x = 18,951.94

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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.