Home / 28,351.62-39,112.14-17,001.43

Finding the Fourth Proportional to 28,351.62, 39,112.14 and 17,001.43

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Solution

The fourth proportional to 28,351.62, 39,112.14 and 17,001.43 is: 23,454.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,351.62 : 39,112.14 = 17,001.43 : x
  2. Step 2: Convert to fraction form
    28,351.62/39,112.14 = 17,001.43/x
  3. Step 3: Cross multiply
    28,351.62x = 39,112.14 × 17,001.43
  4. Step 4: Simplify right side
    28,351.62x = 664,962,114.80
  5. Step 5: Solve for x
    x = 664,962,114.80/28,351.62
  6. Step 6: Final answer
    x = 23,454.12

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1.5x scale

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.