Home / 26,908.14-40,360.83-8,188.11

Finding the Fourth Proportional to 26,908.14, 40,360.83 and 8,188.11

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Solution

The fourth proportional to 26,908.14, 40,360.83 and 8,188.11 is: 12,281.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,908.14 : 40,360.83 = 8,188.11 : x
  2. Step 2: Convert to fraction form
    26,908.14/40,360.83 = 8,188.11/x
  3. Step 3: Cross multiply
    26,908.14x = 40,360.83 × 8,188.11
  4. Step 4: Simplify right side
    26,908.14x = 330,478,915.73
  5. Step 5: Solve for x
    x = 330,478,915.73/26,908.14
  6. Step 6: Final answer
    x = 12,281.75

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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.