Home / 28,731.92-43,096.05-12,093.71

Finding the Fourth Proportional to 28,731.92, 43,096.05 and 12,093.71

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Solution

The fourth proportional to 28,731.92, 43,096.05 and 12,093.71 is: 18,139.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,731.92 : 43,096.05 = 12,093.71 : x
  2. Step 2: Convert to fraction form
    28,731.92/43,096.05 = 12,093.71/x
  3. Step 3: Cross multiply
    28,731.92x = 43,096.05 × 12,093.71
  4. Step 4: Simplify right side
    28,731.92x = 521,190,915.37
  5. Step 5: Solve for x
    x = 521,190,915.37/28,731.92
  6. Step 6: Final answer
    x = 18,139.79

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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.