Home / 26,403.92-39,611.79-8,873.27

Finding the Fourth Proportional to 26,403.92, 39,611.79 and 8,873.27

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Solution

The fourth proportional to 26,403.92, 39,611.79 and 8,873.27 is: 13,311.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,403.92 : 39,611.79 = 8,873.27 : x
  2. Step 2: Convert to fraction form
    26,403.92/39,611.79 = 8,873.27/x
  3. Step 3: Cross multiply
    26,403.92x = 39,611.79 × 8,873.27
  4. Step 4: Simplify right side
    26,403.92x = 351,486,107.85
  5. Step 5: Solve for x
    x = 351,486,107.85/26,403.92
  6. Step 6: Final answer
    x = 13,311.89

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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.