Home / 28,874.20-43,311.30-16,432.60

Finding the Fourth Proportional to 28,874.20, 43,311.30 and 16,432.60

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Solution

The fourth proportional to 28,874.20, 43,311.30 and 16,432.60 is: 24,648.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,874.20 : 43,311.30 = 16,432.60 : x
  2. Step 2: Convert to fraction form
    28,874.20/43,311.30 = 16,432.60/x
  3. Step 3: Cross multiply
    28,874.20x = 43,311.30 × 16,432.60
  4. Step 4: Simplify right side
    28,874.20x = 711,717,268.38
  5. Step 5: Solve for x
    x = 711,717,268.38/28,874.20
  6. Step 6: Final answer
    x = 24,648.90

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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.