Home / 25,358.87-38,040.53-6,638.82

Finding the Fourth Proportional to 25,358.87, 38,040.53 and 6,638.82

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Solution

The fourth proportional to 25,358.87, 38,040.53 and 6,638.82 is: 9,958.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,358.87 : 38,040.53 = 6,638.82 : x
  2. Step 2: Convert to fraction form
    25,358.87/38,040.53 = 6,638.82/x
  3. Step 3: Cross multiply
    25,358.87x = 38,040.53 × 6,638.82
  4. Step 4: Simplify right side
    25,358.87x = 252,544,198.18
  5. Step 5: Solve for x
    x = 252,544,198.18/25,358.87
  6. Step 6: Final answer
    x = 9,958.81

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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.