Home / 28,771.28-43,183.80-14,930

Finding the Fourth Proportional to 28,771.28, 43,183.80 and 14,930

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Solution

The fourth proportional to 28,771.28, 43,183.80 and 14,930 is: 22,408.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,771.28 : 43,183.80 = 14,930 : x
  2. Step 2: Convert to fraction form
    28,771.28/43,183.80 = 14,930/x
  3. Step 3: Cross multiply
    28,771.28x = 43,183.80 × 14,930
  4. Step 4: Simplify right side
    28,771.28x = 644,734,134
  5. Step 5: Solve for x
    x = 644,734,134/28,771.28
  6. Step 6: Final answer
    x = 22,408.95

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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.