Home / 26,817.60-40,226.40-20,596.80

Finding the Fourth Proportional to 26,817.60, 40,226.40 and 20,596.80

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Solution

The fourth proportional to 26,817.60, 40,226.40 and 20,596.80 is: 30,895.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,817.60 : 40,226.40 = 20,596.80 : x
  2. Step 2: Convert to fraction form
    26,817.60/40,226.40 = 20,596.80/x
  3. Step 3: Cross multiply
    26,817.60x = 40,226.40 × 20,596.80
  4. Step 4: Simplify right side
    26,817.60x = 828,535,115.52
  5. Step 5: Solve for x
    x = 828,535,115.52/26,817.60
  6. Step 6: Final answer
    x = 30,895.20

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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.