Home / 28,876.28-43,322.16-12,227

Finding the Fourth Proportional to 28,876.28, 43,322.16 and 12,227

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Solution

The fourth proportional to 28,876.28, 43,322.16 and 12,227 is: 18,343.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,876.28 : 43,322.16 = 12,227 : x
  2. Step 2: Convert to fraction form
    28,876.28/43,322.16 = 12,227/x
  3. Step 3: Cross multiply
    28,876.28x = 43,322.16 × 12,227
  4. Step 4: Simplify right side
    28,876.28x = 529,700,050.32
  5. Step 5: Solve for x
    x = 529,700,050.32/28,876.28
  6. Step 6: Final answer
    x = 18,343.78

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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.