Home / 28,732.77-43,099.88-7,956.45

Finding the Fourth Proportional to 28,732.77, 43,099.88 and 7,956.45

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Solution

The fourth proportional to 28,732.77, 43,099.88 and 7,956.45 is: 11,934.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,732.77 : 43,099.88 = 7,956.45 : x
  2. Step 2: Convert to fraction form
    28,732.77/43,099.88 = 7,956.45/x
  3. Step 3: Cross multiply
    28,732.77x = 43,099.88 × 7,956.45
  4. Step 4: Simplify right side
    28,732.77x = 342,922,000.44
  5. Step 5: Solve for x
    x = 342,922,000.44/28,732.77
  6. Step 6: Final answer
    x = 11,934.87

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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.