Home / 28,894.12-43,343.82-8,117.48

Finding the Fourth Proportional to 28,894.12, 43,343.82 and 8,117.48

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Solution

The fourth proportional to 28,894.12, 43,343.82 and 8,117.48 is: 12,176.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,894.12 : 43,343.82 = 8,117.48 : x
  2. Step 2: Convert to fraction form
    28,894.12/43,343.82 = 8,117.48/x
  3. Step 3: Cross multiply
    28,894.12x = 43,343.82 × 8,117.48
  4. Step 4: Simplify right side
    28,894.12x = 351,842,591.97
  5. Step 5: Solve for x
    x = 351,842,591.97/28,894.12
  6. Step 6: Final answer
    x = 12,176.96

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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.