Home / 25,604.66-38,379.24-13,107.54

Finding the Fourth Proportional to 25,604.66, 38,379.24 and 13,107.54

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Solution

The fourth proportional to 25,604.66, 38,379.24 and 13,107.54 is: 19,647.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,604.66 : 38,379.24 = 13,107.54 : x
  2. Step 2: Convert to fraction form
    25,604.66/38,379.24 = 13,107.54/x
  3. Step 3: Cross multiply
    25,604.66x = 38,379.24 × 13,107.54
  4. Step 4: Simplify right side
    25,604.66x = 503,057,423.47
  5. Step 5: Solve for x
    x = 503,057,423.47/25,604.66
  6. Step 6: Final answer
    x = 19,647.11

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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.