Home / 38,494.78-57,745.82-15,115.75

Finding the Fourth Proportional to 38,494.78, 57,745.82 and 15,115.75

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Solution

The fourth proportional to 38,494.78, 57,745.82 and 15,115.75 is: 22,675.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,494.78 : 57,745.82 = 15,115.75 : x
  2. Step 2: Convert to fraction form
    38,494.78/57,745.82 = 15,115.75/x
  3. Step 3: Cross multiply
    38,494.78x = 57,745.82 × 15,115.75
  4. Step 4: Simplify right side
    38,494.78x = 872,871,378.67
  5. Step 5: Solve for x
    x = 872,871,378.67/38,494.78
  6. Step 6: Final answer
    x = 22,675.06

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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.