Home / 27,357.75-41,042.03-8,640.68

Finding the Fourth Proportional to 27,357.75, 41,042.03 and 8,640.68

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Solution

The fourth proportional to 27,357.75, 41,042.03 and 8,640.68 is: 12,962.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,357.75 : 41,042.03 = 8,640.68 : x
  2. Step 2: Convert to fraction form
    27,357.75/41,042.03 = 8,640.68/x
  3. Step 3: Cross multiply
    27,357.75x = 41,042.03 × 8,640.68
  4. Step 4: Simplify right side
    27,357.75x = 354,630,799.37
  5. Step 5: Solve for x
    x = 354,630,799.37/27,357.75
  6. Step 6: Final answer
    x = 12,962.72

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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.