Home / 38,208.80-57,321.30-11,552.60

Finding the Fourth Proportional to 38,208.80, 57,321.30 and 11,552.60

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Solution

The fourth proportional to 38,208.80, 57,321.30 and 11,552.60 is: 17,331.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,208.80 : 57,321.30 = 11,552.60 : x
  2. Step 2: Convert to fraction form
    38,208.80/57,321.30 = 11,552.60/x
  3. Step 3: Cross multiply
    38,208.80x = 57,321.30 × 11,552.60
  4. Step 4: Simplify right side
    38,208.80x = 662,210,050.38
  5. Step 5: Solve for x
    x = 662,210,050.38/38,208.80
  6. Step 6: Final answer
    x = 17,331.35

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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.