Home / 26,231.60-39,311.40-16,842.80

Finding the Fourth Proportional to 26,231.60, 39,311.40 and 16,842.80

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Solution

The fourth proportional to 26,231.60, 39,311.40 and 16,842.80 is: 25,241.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,231.60 : 39,311.40 = 16,842.80 : x
  2. Step 2: Convert to fraction form
    26,231.60/39,311.40 = 16,842.80/x
  3. Step 3: Cross multiply
    26,231.60x = 39,311.40 × 16,842.80
  4. Step 4: Simplify right side
    26,231.60x = 662,114,047.92
  5. Step 5: Solve for x
    x = 662,114,047.92/26,231.60
  6. Step 6: Final answer
    x = 25,241.09

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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.