Home / 28,956.10-43,448-16,315.94

Finding the Fourth Proportional to 28,956.10, 43,448 and 16,315.94

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Solution

The fourth proportional to 28,956.10, 43,448 and 16,315.94 is: 24,481.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,956.10 : 43,448 = 16,315.94 : x
  2. Step 2: Convert to fraction form
    28,956.10/43,448 = 16,315.94/x
  3. Step 3: Cross multiply
    28,956.10x = 43,448 × 16,315.94
  4. Step 4: Simplify right side
    28,956.10x = 708,894,961.12
  5. Step 5: Solve for x
    x = 708,894,961.12/28,956.10
  6. Step 6: Final answer
    x = 24,481.71

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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.