Home / 25,726.14-38,569.77-8,185.86

Finding the Fourth Proportional to 25,726.14, 38,569.77 and 8,185.86

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Solution

The fourth proportional to 25,726.14, 38,569.77 and 8,185.86 is: 12,272.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,726.14 : 38,569.77 = 8,185.86 : x
  2. Step 2: Convert to fraction form
    25,726.14/38,569.77 = 8,185.86/x
  3. Step 3: Cross multiply
    25,726.14x = 38,569.77 × 8,185.86
  4. Step 4: Simplify right side
    25,726.14x = 315,726,737.45
  5. Step 5: Solve for x
    x = 315,726,737.45/25,726.14
  6. Step 6: Final answer
    x = 12,272.60

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1.5x scale

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.