Home / 27,605.22-41,390-11,820.58

Finding the Fourth Proportional to 27,605.22, 41,390 and 11,820.58

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Solution

The fourth proportional to 27,605.22, 41,390 and 11,820.58 is: 17,723.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,605.22 : 41,390 = 11,820.58 : x
  2. Step 2: Convert to fraction form
    27,605.22/41,390 = 11,820.58/x
  3. Step 3: Cross multiply
    27,605.22x = 41,390 × 11,820.58
  4. Step 4: Simplify right side
    27,605.22x = 489,253,806.20
  5. Step 5: Solve for x
    x = 489,253,806.20/27,605.22
  6. Step 6: Final answer
    x = 17,723.24

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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.