Home / 23,390-32,268.48-15,321.36

Finding the Fourth Proportional to 23,390, 32,268.48 and 15,321.36

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Solution

The fourth proportional to 23,390, 32,268.48 and 15,321.36 is: 21,137.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,390 : 32,268.48 = 15,321.36 : x
  2. Step 2: Convert to fraction form
    23,390/32,268.48 = 15,321.36/x
  3. Step 3: Cross multiply
    23,390x = 32,268.48 × 15,321.36
  4. Step 4: Simplify right side
    23,390x = 494,396,998.73
  5. Step 5: Solve for x
    x = 494,396,998.73/23,390
  6. Step 6: Final answer
    x = 21,137.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.