Home / 25,726.97-38,565.81-8,185.38

Finding the Fourth Proportional to 25,726.97, 38,565.81 and 8,185.38

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Solution

The fourth proportional to 25,726.97, 38,565.81 and 8,185.38 is: 12,270.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,726.97 : 38,565.81 = 8,185.38 : x
  2. Step 2: Convert to fraction form
    25,726.97/38,565.81 = 8,185.38/x
  3. Step 3: Cross multiply
    25,726.97x = 38,565.81 × 8,185.38
  4. Step 4: Simplify right side
    25,726.97x = 315,675,809.86
  5. Step 5: Solve for x
    x = 315,675,809.86/25,726.97
  6. Step 6: Final answer
    x = 12,270.23

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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.