Home / 27,358.68-41,044.37-8,640.57

Finding the Fourth Proportional to 27,358.68, 41,044.37 and 8,640.57

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Solution

The fourth proportional to 27,358.68, 41,044.37 and 8,640.57 is: 12,962.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,358.68 : 41,044.37 = 8,640.57 : x
  2. Step 2: Convert to fraction form
    27,358.68/41,044.37 = 8,640.57/x
  3. Step 3: Cross multiply
    27,358.68x = 41,044.37 × 8,640.57
  4. Step 4: Simplify right side
    27,358.68x = 354,646,708.89
  5. Step 5: Solve for x
    x = 354,646,708.89/27,358.68
  6. Step 6: Final answer
    x = 12,962.86

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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.