Home / 26,906.79-40,360.20-8,185.16

Finding the Fourth Proportional to 26,906.79, 40,360.20 and 8,185.16

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Solution

The fourth proportional to 26,906.79, 40,360.20 and 8,185.16 is: 12,277.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,906.79 : 40,360.20 = 8,185.16 : x
  2. Step 2: Convert to fraction form
    26,906.79/40,360.20 = 8,185.16/x
  3. Step 3: Cross multiply
    26,906.79x = 40,360.20 × 8,185.16
  4. Step 4: Simplify right side
    26,906.79x = 330,354,764.84
  5. Step 5: Solve for x
    x = 330,354,764.84/26,906.79
  6. Step 6: Final answer
    x = 12,277.75

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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.