Home / 28,764.92-43,147.30-12,951.44

Finding the Fourth Proportional to 28,764.92, 43,147.30 and 12,951.44

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Solution

The fourth proportional to 28,764.92, 43,147.30 and 12,951.44 is: 19,427.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,764.92 : 43,147.30 = 12,951.44 : x
  2. Step 2: Convert to fraction form
    28,764.92/43,147.30 = 12,951.44/x
  3. Step 3: Cross multiply
    28,764.92x = 43,147.30 × 12,951.44
  4. Step 4: Simplify right side
    28,764.92x = 558,819,667.11
  5. Step 5: Solve for x
    x = 558,819,667.11/28,764.92
  6. Step 6: Final answer
    x = 19,427.12

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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.