Home / 26,908.94-40,369.22-8,190.44

Finding the Fourth Proportional to 26,908.94, 40,369.22 and 8,190.44

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Solution

The fourth proportional to 26,908.94, 40,369.22 and 8,190.44 is: 12,287.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,908.94 : 40,369.22 = 8,190.44 : x
  2. Step 2: Convert to fraction form
    26,908.94/40,369.22 = 8,190.44/x
  3. Step 3: Cross multiply
    26,908.94x = 40,369.22 × 8,190.44
  4. Step 4: Simplify right side
    26,908.94x = 330,641,674.26
  5. Step 5: Solve for x
    x = 330,641,674.26/26,908.94
  6. Step 6: Final answer
    x = 12,287.43

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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.