Home / 28,771.92-43,104.41-15,635.34

Finding the Fourth Proportional to 28,771.92, 43,104.41 and 15,635.34

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Solution

The fourth proportional to 28,771.92, 43,104.41 and 15,635.34 is: 23,423.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,771.92 : 43,104.41 = 15,635.34 : x
  2. Step 2: Convert to fraction form
    28,771.92/43,104.41 = 15,635.34/x
  3. Step 3: Cross multiply
    28,771.92x = 43,104.41 × 15,635.34
  4. Step 4: Simplify right side
    28,771.92x = 673,951,890.33
  5. Step 5: Solve for x
    x = 673,951,890.33/28,771.92
  6. Step 6: Final answer
    x = 23,423.95

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1.5x scale

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.