Home / 28,542.26-39,388.43-15,967.02

Finding the Fourth Proportional to 28,542.26, 39,388.43 and 15,967.02

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Solution

The fourth proportional to 28,542.26, 39,388.43 and 15,967.02 is: 22,034.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,542.26 : 39,388.43 = 15,967.02 : x
  2. Step 2: Convert to fraction form
    28,542.26/39,388.43 = 15,967.02/x
  3. Step 3: Cross multiply
    28,542.26x = 39,388.43 × 15,967.02
  4. Step 4: Simplify right side
    28,542.26x = 628,915,849.58
  5. Step 5: Solve for x
    x = 628,915,849.58/28,542.26
  6. Step 6: Final answer
    x = 22,034.55

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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.