Home / 17,020.45-25,415.94-13,906.61

Finding the Fourth Proportional to 17,020.45, 25,415.94 and 13,906.61

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Solution

The fourth proportional to 17,020.45, 25,415.94 and 13,906.61 is: 20,766.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,020.45 : 25,415.94 = 13,906.61 : x
  2. Step 2: Convert to fraction form
    17,020.45/25,415.94 = 13,906.61/x
  3. Step 3: Cross multiply
    17,020.45x = 25,415.94 × 13,906.61
  4. Step 4: Simplify right side
    17,020.45x = 353,449,565.36
  5. Step 5: Solve for x
    x = 353,449,565.36/17,020.45
  6. Step 6: Final answer
    x = 20,766.17

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.