Home / 21,514.97-32,272.38-5,721.59

Finding the Fourth Proportional to 21,514.97, 32,272.38 and 5,721.59

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Solution

The fourth proportional to 21,514.97, 32,272.38 and 5,721.59 is: 8,582.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,514.97 : 32,272.38 = 5,721.59 : x
  2. Step 2: Convert to fraction form
    21,514.97/32,272.38 = 5,721.59/x
  3. Step 3: Cross multiply
    21,514.97x = 32,272.38 × 5,721.59
  4. Step 4: Simplify right side
    21,514.97x = 184,649,326.68
  5. Step 5: Solve for x
    x = 184,649,326.68/21,514.97
  6. Step 6: Final answer
    x = 8,582.37

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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.