Home / 26,786.87-40,185.92-10,146.53

Finding the Fourth Proportional to 26,786.87, 40,185.92 and 10,146.53

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Solution

The fourth proportional to 26,786.87, 40,185.92 and 10,146.53 is: 15,221.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,786.87 : 40,185.92 = 10,146.53 : x
  2. Step 2: Convert to fraction form
    26,786.87/40,185.92 = 10,146.53/x
  3. Step 3: Cross multiply
    26,786.87x = 40,185.92 × 10,146.53
  4. Step 4: Simplify right side
    26,786.87x = 407,747,768.69
  5. Step 5: Solve for x
    x = 407,747,768.69/26,786.87
  6. Step 6: Final answer
    x = 15,221.93

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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.