Home / 26,912.22-40,363.56-8,187.72

Finding the Fourth Proportional to 26,912.22, 40,363.56 and 8,187.72

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Solution

The fourth proportional to 26,912.22, 40,363.56 and 8,187.72 is: 12,280.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,912.22 : 40,363.56 = 8,187.72 : x
  2. Step 2: Convert to fraction form
    26,912.22/40,363.56 = 8,187.72/x
  3. Step 3: Cross multiply
    26,912.22x = 40,363.56 × 8,187.72
  4. Step 4: Simplify right side
    26,912.22x = 330,485,527.48
  5. Step 5: Solve for x
    x = 330,485,527.48/26,912.22
  6. Step 6: Final answer
    x = 12,280.13

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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.