Home / 25,928.82-38,885.13-8,395.02

Finding the Fourth Proportional to 25,928.82, 38,885.13 and 8,395.02

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Solution

The fourth proportional to 25,928.82, 38,885.13 and 8,395.02 is: 12,589.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,928.82 : 38,885.13 = 8,395.02 : x
  2. Step 2: Convert to fraction form
    25,928.82/38,885.13 = 8,395.02/x
  3. Step 3: Cross multiply
    25,928.82x = 38,885.13 × 8,395.02
  4. Step 4: Simplify right side
    25,928.82x = 326,441,444.05
  5. Step 5: Solve for x
    x = 326,441,444.05/25,928.82
  6. Step 6: Final answer
    x = 12,589.91

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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.