Home / 21,456.58-32,193.75-11,584.25

Finding the Fourth Proportional to 21,456.58, 32,193.75 and 11,584.25

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Solution

The fourth proportional to 21,456.58, 32,193.75 and 11,584.25 is: 17,381.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,456.58 : 32,193.75 = 11,584.25 : x
  2. Step 2: Convert to fraction form
    21,456.58/32,193.75 = 11,584.25/x
  3. Step 3: Cross multiply
    21,456.58x = 32,193.75 × 11,584.25
  4. Step 4: Simplify right side
    21,456.58x = 372,940,287.47
  5. Step 5: Solve for x
    x = 372,940,287.47/21,456.58
  6. Step 6: Final answer
    x = 17,381.16

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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.