Home / 25,851.78-38,726.91-17,059.86

Finding the Fourth Proportional to 25,851.78, 38,726.91 and 17,059.86

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Solution

The fourth proportional to 25,851.78, 38,726.91 and 17,059.86 is: 25,556.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,851.78 : 38,726.91 = 17,059.86 : x
  2. Step 2: Convert to fraction form
    25,851.78/38,726.91 = 17,059.86/x
  3. Step 3: Cross multiply
    25,851.78x = 38,726.91 × 17,059.86
  4. Step 4: Simplify right side
    25,851.78x = 660,675,662.83
  5. Step 5: Solve for x
    x = 660,675,662.83/25,851.78
  6. Step 6: Final answer
    x = 25,556.29

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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.