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Finding the Fourth Proportional to 28,891.56, 43,327.58 and 8,110.12

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Solution

The fourth proportional to 28,891.56, 43,327.58 and 8,110.12 is: 12,162.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,891.56 : 43,327.58 = 8,110.12 : x
  2. Step 2: Convert to fraction form
    28,891.56/43,327.58 = 8,110.12/x
  3. Step 3: Cross multiply
    28,891.56x = 43,327.58 × 8,110.12
  4. Step 4: Simplify right side
    28,891.56x = 351,391,873.11
  5. Step 5: Solve for x
    x = 351,391,873.11/28,891.56
  6. Step 6: Final answer
    x = 12,162.44

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1.5x scale

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.