Home / 28,678.08-43,022.52-8,951.88

Finding the Fourth Proportional to 28,678.08, 43,022.52 and 8,951.88

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Solution

The fourth proportional to 28,678.08, 43,022.52 and 8,951.88 is: 13,429.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,678.08 : 43,022.52 = 8,951.88 : x
  2. Step 2: Convert to fraction form
    28,678.08/43,022.52 = 8,951.88/x
  3. Step 3: Cross multiply
    28,678.08x = 43,022.52 × 8,951.88
  4. Step 4: Simplify right side
    28,678.08x = 385,132,436.34
  5. Step 5: Solve for x
    x = 385,132,436.34/28,678.08
  6. Step 6: Final answer
    x = 13,429.51

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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.