Home / 26,845.20-40,252.04-8,119.60

Finding the Fourth Proportional to 26,845.20, 40,252.04 and 8,119.60

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Solution

The fourth proportional to 26,845.20, 40,252.04 and 8,119.60 is: 12,174.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,845.20 : 40,252.04 = 8,119.60 : x
  2. Step 2: Convert to fraction form
    26,845.20/40,252.04 = 8,119.60/x
  3. Step 3: Cross multiply
    26,845.20x = 40,252.04 × 8,119.60
  4. Step 4: Simplify right side
    26,845.20x = 326,830,463.98
  5. Step 5: Solve for x
    x = 326,830,463.98/26,845.20
  6. Step 6: Final answer
    x = 12,174.63

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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.