Home / 26,786.26-40,179.78-10,141.82

Finding the Fourth Proportional to 26,786.26, 40,179.78 and 10,141.82

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Solution

The fourth proportional to 26,786.26, 40,179.78 and 10,141.82 is: 15,212.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,786.26 : 40,179.78 = 10,141.82 : x
  2. Step 2: Convert to fraction form
    26,786.26/40,179.78 = 10,141.82/x
  3. Step 3: Cross multiply
    26,786.26x = 40,179.78 × 10,141.82
  4. Step 4: Simplify right side
    26,786.26x = 407,496,096.40
  5. Step 5: Solve for x
    x = 407,496,096.40/26,786.26
  6. Step 6: Final answer
    x = 15,212.88

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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.