Home / 26,975.38-40,458.49-12,180.83

Finding the Fourth Proportional to 26,975.38, 40,458.49 and 12,180.83

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Solution

The fourth proportional to 26,975.38, 40,458.49 and 12,180.83 is: 18,269.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,975.38 : 40,458.49 = 12,180.83 : x
  2. Step 2: Convert to fraction form
    26,975.38/40,458.49 = 12,180.83/x
  3. Step 3: Cross multiply
    26,975.38x = 40,458.49 × 12,180.83
  4. Step 4: Simplify right side
    26,975.38x = 492,817,983.58
  5. Step 5: Solve for x
    x = 492,817,983.58/26,975.38
  6. Step 6: Final answer
    x = 18,269.18

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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.