Home / 28,744.49-43,123.23-8,755.79

Finding the Fourth Proportional to 28,744.49, 43,123.23 and 8,755.79

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Solution

The fourth proportional to 28,744.49, 43,123.23 and 8,755.79 is: 13,135.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,744.49 : 43,123.23 = 8,755.79 : x
  2. Step 2: Convert to fraction form
    28,744.49/43,123.23 = 8,755.79/x
  3. Step 3: Cross multiply
    28,744.49x = 43,123.23 × 8,755.79
  4. Step 4: Simplify right side
    28,744.49x = 377,577,730.39
  5. Step 5: Solve for x
    x = 377,577,730.39/28,744.49
  6. Step 6: Final answer
    x = 13,135.66

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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.