Home / 27,620.21-41,344.94-18,121.61

Finding the Fourth Proportional to 27,620.21, 41,344.94 and 18,121.61

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Solution

The fourth proportional to 27,620.21, 41,344.94 and 18,121.61 is: 27,126.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,620.21 : 41,344.94 = 18,121.61 : x
  2. Step 2: Convert to fraction form
    27,620.21/41,344.94 = 18,121.61/x
  3. Step 3: Cross multiply
    27,620.21x = 41,344.94 × 18,121.61
  4. Step 4: Simplify right side
    27,620.21x = 749,236,878.15
  5. Step 5: Solve for x
    x = 749,236,878.15/27,620.21
  6. Step 6: Final answer
    x = 27,126.40

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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.