Home / 25,558.20-38,337.30-8,029.80

Finding the Fourth Proportional to 25,558.20, 38,337.30 and 8,029.80

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Solution

The fourth proportional to 25,558.20, 38,337.30 and 8,029.80 is: 12,044.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,558.20 : 38,337.30 = 8,029.80 : x
  2. Step 2: Convert to fraction form
    25,558.20/38,337.30 = 8,029.80/x
  3. Step 3: Cross multiply
    25,558.20x = 38,337.30 × 8,029.80
  4. Step 4: Simplify right side
    25,558.20x = 307,840,851.54
  5. Step 5: Solve for x
    x = 307,840,851.54/25,558.20
  6. Step 6: Final answer
    x = 12,044.70

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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.