Home / 26,471.80-39,708.78-6,750.87

Finding the Fourth Proportional to 26,471.80, 39,708.78 and 6,750.87

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Solution

The fourth proportional to 26,471.80, 39,708.78 and 6,750.87 is: 10,126.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,471.80 : 39,708.78 = 6,750.87 : x
  2. Step 2: Convert to fraction form
    26,471.80/39,708.78 = 6,750.87/x
  3. Step 3: Cross multiply
    26,471.80x = 39,708.78 × 6,750.87
  4. Step 4: Simplify right side
    26,471.80x = 268,068,811.64
  5. Step 5: Solve for x
    x = 268,068,811.64/26,471.80
  6. Step 6: Final answer
    x = 10,126.58

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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.