Home / 25,986.20-38,979.30-16,093.40

Finding the Fourth Proportional to 25,986.20, 38,979.30 and 16,093.40

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Solution

The fourth proportional to 25,986.20, 38,979.30 and 16,093.40 is: 24,140.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,986.20 : 38,979.30 = 16,093.40 : x
  2. Step 2: Convert to fraction form
    25,986.20/38,979.30 = 16,093.40/x
  3. Step 3: Cross multiply
    25,986.20x = 38,979.30 × 16,093.40
  4. Step 4: Simplify right side
    25,986.20x = 627,309,466.62
  5. Step 5: Solve for x
    x = 627,309,466.62/25,986.20
  6. Step 6: Final answer
    x = 24,140.10

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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.