Home / 26,213.60-39,311.66-8,440.09

Finding the Fourth Proportional to 26,213.60, 39,311.66 and 8,440.09

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Solution

The fourth proportional to 26,213.60, 39,311.66 and 8,440.09 is: 12,657.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,213.60 : 39,311.66 = 8,440.09 : x
  2. Step 2: Convert to fraction form
    26,213.60/39,311.66 = 8,440.09/x
  3. Step 3: Cross multiply
    26,213.60x = 39,311.66 × 8,440.09
  4. Step 4: Simplify right side
    26,213.60x = 331,793,948.45
  5. Step 5: Solve for x
    x = 331,793,948.45/26,213.60
  6. Step 6: Final answer
    x = 12,657.32

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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.