Home / 38,286.24-57,377.16-18,525.36

Finding the Fourth Proportional to 38,286.24, 57,377.16 and 18,525.36

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Solution

The fourth proportional to 38,286.24, 57,377.16 and 18,525.36 is: 27,762.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,286.24 : 57,377.16 = 18,525.36 : x
  2. Step 2: Convert to fraction form
    38,286.24/57,377.16 = 18,525.36/x
  3. Step 3: Cross multiply
    38,286.24x = 57,377.16 × 18,525.36
  4. Step 4: Simplify right side
    38,286.24x = 1,062,932,544.78
  5. Step 5: Solve for x
    x = 1,062,932,544.78/38,286.24
  6. Step 6: Final answer
    x = 27,762.78

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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.