Home / 25,614-38,400.36-17,189.28

Finding the Fourth Proportional to 25,614, 38,400.36 and 17,189.28

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Solution

The fourth proportional to 25,614, 38,400.36 and 17,189.28 is: 25,770.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,614 : 38,400.36 = 17,189.28 : x
  2. Step 2: Convert to fraction form
    25,614/38,400.36 = 17,189.28/x
  3. Step 3: Cross multiply
    25,614x = 38,400.36 × 17,189.28
  4. Step 4: Simplify right side
    25,614x = 660,074,540.14
  5. Step 5: Solve for x
    x = 660,074,540.14/25,614
  6. Step 6: Final answer
    x = 25,770.07

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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.