Home / 26,909.24-40,365.92-8,190.87

Finding the Fourth Proportional to 26,909.24, 40,365.92 and 8,190.87

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Solution

The fourth proportional to 26,909.24, 40,365.92 and 8,190.87 is: 12,286.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,909.24 : 40,365.92 = 8,190.87 : x
  2. Step 2: Convert to fraction form
    26,909.24/40,365.92 = 8,190.87/x
  3. Step 3: Cross multiply
    26,909.24x = 40,365.92 × 8,190.87
  4. Step 4: Simplify right side
    26,909.24x = 330,632,076.28
  5. Step 5: Solve for x
    x = 330,632,076.28/26,909.24
  6. Step 6: Final answer
    x = 12,286.94

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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.