Home / 26,540.68-39,815.58-10,949.80

Finding the Fourth Proportional to 26,540.68, 39,815.58 and 10,949.80

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Solution

The fourth proportional to 26,540.68, 39,815.58 and 10,949.80 is: 16,426.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,540.68 : 39,815.58 = 10,949.80 : x
  2. Step 2: Convert to fraction form
    26,540.68/39,815.58 = 10,949.80/x
  3. Step 3: Cross multiply
    26,540.68x = 39,815.58 × 10,949.80
  4. Step 4: Simplify right side
    26,540.68x = 435,972,637.88
  5. Step 5: Solve for x
    x = 435,972,637.88/26,540.68
  6. Step 6: Final answer
    x = 16,426.58

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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.