Home / 25,749.62-38,626.05-9,107.90

Finding the Fourth Proportional to 25,749.62, 38,626.05 and 9,107.90

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Solution

The fourth proportional to 25,749.62, 38,626.05 and 9,107.90 is: 13,662.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,749.62 : 38,626.05 = 9,107.90 : x
  2. Step 2: Convert to fraction form
    25,749.62/38,626.05 = 9,107.90/x
  3. Step 3: Cross multiply
    25,749.62x = 38,626.05 × 9,107.90
  4. Step 4: Simplify right side
    25,749.62x = 351,802,200.80
  5. Step 5: Solve for x
    x = 351,802,200.80/25,749.62
  6. Step 6: Final answer
    x = 13,662.42

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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.