Home / 17,255.79-25,860.33-7,884.27

Finding the Fourth Proportional to 17,255.79, 25,860.33 and 7,884.27

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Solution

The fourth proportional to 17,255.79, 25,860.33 and 7,884.27 is: 11,815.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,255.79 : 25,860.33 = 7,884.27 : x
  2. Step 2: Convert to fraction form
    17,255.79/25,860.33 = 7,884.27/x
  3. Step 3: Cross multiply
    17,255.79x = 25,860.33 × 7,884.27
  4. Step 4: Simplify right side
    17,255.79x = 203,889,824.01
  5. Step 5: Solve for x
    x = 203,889,824.01/17,255.79
  6. Step 6: Final answer
    x = 11,815.73

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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.