Home / 38,231.82-57,355.92-13,272.66

Finding the Fourth Proportional to 38,231.82, 57,355.92 and 13,272.66

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Solution

The fourth proportional to 38,231.82, 57,355.92 and 13,272.66 is: 19,911.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,231.82 : 57,355.92 = 13,272.66 : x
  2. Step 2: Convert to fraction form
    38,231.82/57,355.92 = 13,272.66/x
  3. Step 3: Cross multiply
    38,231.82x = 57,355.92 × 13,272.66
  4. Step 4: Simplify right side
    38,231.82x = 761,265,625.15
  5. Step 5: Solve for x
    x = 761,265,625.15/38,231.82
  6. Step 6: Final answer
    x = 19,911.83

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1.5x scale

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.