Home / 26,816.40-40,217.40-11,230.80

Finding the Fourth Proportional to 26,816.40, 40,217.40 and 11,230.80

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Solution

The fourth proportional to 26,816.40, 40,217.40 and 11,230.80 is: 16,843.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,816.40 : 40,217.40 = 11,230.80 : x
  2. Step 2: Convert to fraction form
    26,816.40/40,217.40 = 11,230.80/x
  3. Step 3: Cross multiply
    26,816.40x = 40,217.40 × 11,230.80
  4. Step 4: Simplify right side
    26,816.40x = 451,673,575.92
  5. Step 5: Solve for x
    x = 451,673,575.92/26,816.40
  6. Step 6: Final answer
    x = 16,843.18

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1.5x scale

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.