Home / 28,819.70-43,235.95-8,831.96

Finding the Fourth Proportional to 28,819.70, 43,235.95 and 8,831.96

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Solution

The fourth proportional to 28,819.70, 43,235.95 and 8,831.96 is: 13,249.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,819.70 : 43,235.95 = 8,831.96 : x
  2. Step 2: Convert to fraction form
    28,819.70/43,235.95 = 8,831.96/x
  3. Step 3: Cross multiply
    28,819.70x = 43,235.95 × 8,831.96
  4. Step 4: Simplify right side
    28,819.70x = 381,858,180.96
  5. Step 5: Solve for x
    x = 381,858,180.96/28,819.70
  6. Step 6: Final answer
    x = 13,249.90

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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.