Home / 17,745.42-26,623.32-5,265.78

Finding the Fourth Proportional to 17,745.42, 26,623.32 and 5,265.78

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Solution

The fourth proportional to 17,745.42, 26,623.32 and 5,265.78 is: 7,900.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,745.42 : 26,623.32 = 5,265.78 : x
  2. Step 2: Convert to fraction form
    17,745.42/26,623.32 = 5,265.78/x
  3. Step 3: Cross multiply
    17,745.42x = 26,623.32 × 5,265.78
  4. Step 4: Simplify right side
    17,745.42x = 140,192,545.99
  5. Step 5: Solve for x
    x = 140,192,545.99/17,745.42
  6. Step 6: Final answer
    x = 7,900.21

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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.