Home / 27,129.76-40,694.25-16,458.66

Finding the Fourth Proportional to 27,129.76, 40,694.25 and 16,458.66

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Solution

The fourth proportional to 27,129.76, 40,694.25 and 16,458.66 is: 24,687.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,129.76 : 40,694.25 = 16,458.66 : x
  2. Step 2: Convert to fraction form
    27,129.76/40,694.25 = 16,458.66/x
  3. Step 3: Cross multiply
    27,129.76x = 40,694.25 × 16,458.66
  4. Step 4: Simplify right side
    27,129.76x = 669,772,695.67
  5. Step 5: Solve for x
    x = 669,772,695.67/27,129.76
  6. Step 6: Final answer
    x = 24,687.75

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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.