Home / 26,817.40-40,218.90-11,231.80

Finding the Fourth Proportional to 26,817.40, 40,218.90 and 11,231.80

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Solution

The fourth proportional to 26,817.40, 40,218.90 and 11,231.80 is: 16,844.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,817.40 : 40,218.90 = 11,231.80 : x
  2. Step 2: Convert to fraction form
    26,817.40/40,218.90 = 11,231.80/x
  3. Step 3: Cross multiply
    26,817.40x = 40,218.90 × 11,231.80
  4. Step 4: Simplify right side
    26,817.40x = 451,730,641.02
  5. Step 5: Solve for x
    x = 451,730,641.02/26,817.40
  6. Step 6: Final answer
    x = 16,844.68

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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.