Home / 28,876.50-43,316.46-8,101.62

Finding the Fourth Proportional to 28,876.50, 43,316.46 and 8,101.62

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Solution

The fourth proportional to 28,876.50, 43,316.46 and 8,101.62 is: 12,152.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,876.50 : 43,316.46 = 8,101.62 : x
  2. Step 2: Convert to fraction form
    28,876.50/43,316.46 = 8,101.62/x
  3. Step 3: Cross multiply
    28,876.50x = 43,316.46 × 8,101.62
  4. Step 4: Simplify right side
    28,876.50x = 350,933,498.67
  5. Step 5: Solve for x
    x = 350,933,498.67/28,876.50
  6. Step 6: Final answer
    x = 12,152.91

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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.