Home / 25,958.56-38,941.10-10,161.56

Finding the Fourth Proportional to 25,958.56, 38,941.10 and 10,161.56

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Solution

The fourth proportional to 25,958.56, 38,941.10 and 10,161.56 is: 15,243.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,958.56 : 38,941.10 = 10,161.56 : x
  2. Step 2: Convert to fraction form
    25,958.56/38,941.10 = 10,161.56/x
  3. Step 3: Cross multiply
    25,958.56x = 38,941.10 × 10,161.56
  4. Step 4: Simplify right side
    25,958.56x = 395,702,078.60
  5. Step 5: Solve for x
    x = 395,702,078.60/25,958.56
  6. Step 6: Final answer
    x = 15,243.61

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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.