Home / 21,579.68-32,326.22-17,144.63

Finding the Fourth Proportional to 21,579.68, 32,326.22 and 17,144.63

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Solution

The fourth proportional to 21,579.68, 32,326.22 and 17,144.63 is: 25,682.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,579.68 : 32,326.22 = 17,144.63 : x
  2. Step 2: Convert to fraction form
    21,579.68/32,326.22 = 17,144.63/x
  3. Step 3: Cross multiply
    21,579.68x = 32,326.22 × 17,144.63
  4. Step 4: Simplify right side
    21,579.68x = 554,221,083.65
  5. Step 5: Solve for x
    x = 554,221,083.65/21,579.68
  6. Step 6: Final answer
    x = 25,682.54

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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.