Home / 27,132.12-40,704.50-8,411.18

Finding the Fourth Proportional to 27,132.12, 40,704.50 and 8,411.18

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Solution

The fourth proportional to 27,132.12, 40,704.50 and 8,411.18 is: 12,618.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,132.12 : 40,704.50 = 8,411.18 : x
  2. Step 2: Convert to fraction form
    27,132.12/40,704.50 = 8,411.18/x
  3. Step 3: Cross multiply
    27,132.12x = 40,704.50 × 8,411.18
  4. Step 4: Simplify right side
    27,132.12x = 342,372,693.82
  5. Step 5: Solve for x
    x = 342,372,693.82/27,132.12
  6. Step 6: Final answer
    x = 12,618.72

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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.