Home / 25,821.06-38,727.93-8,288.61

Finding the Fourth Proportional to 25,821.06, 38,727.93 and 8,288.61

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Solution

The fourth proportional to 25,821.06, 38,727.93 and 8,288.61 is: 12,431.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,821.06 : 38,727.93 = 8,288.61 : x
  2. Step 2: Convert to fraction form
    25,821.06/38,727.93 = 8,288.61/x
  3. Step 3: Cross multiply
    25,821.06x = 38,727.93 × 8,288.61
  4. Step 4: Simplify right side
    25,821.06x = 321,000,707.88
  5. Step 5: Solve for x
    x = 321,000,707.88/25,821.06
  6. Step 6: Final answer
    x = 12,431.74

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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.