Home / 25,172.43-34,740.68-15,744.03

Finding the Fourth Proportional to 25,172.43, 34,740.68 and 15,744.03

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Solution

The fourth proportional to 25,172.43, 34,740.68 and 15,744.03 is: 21,728.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,172.43 : 34,740.68 = 15,744.03 : x
  2. Step 2: Convert to fraction form
    25,172.43/34,740.68 = 15,744.03/x
  3. Step 3: Cross multiply
    25,172.43x = 34,740.68 × 15,744.03
  4. Step 4: Simplify right side
    25,172.43x = 546,958,229.42
  5. Step 5: Solve for x
    x = 546,958,229.42/25,172.43
  6. Step 6: Final answer
    x = 21,728.46

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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.