Home / 28,755.32-43,133.31-9,033.84

Finding the Fourth Proportional to 28,755.32, 43,133.31 and 9,033.84

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Solution

The fourth proportional to 28,755.32, 43,133.31 and 9,033.84 is: 13,550.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,755.32 : 43,133.31 = 9,033.84 : x
  2. Step 2: Convert to fraction form
    28,755.32/43,133.31 = 9,033.84/x
  3. Step 3: Cross multiply
    28,755.32x = 43,133.31 × 9,033.84
  4. Step 4: Simplify right side
    28,755.32x = 389,659,421.21
  5. Step 5: Solve for x
    x = 389,659,421.21/28,755.32
  6. Step 6: Final answer
    x = 13,550.87

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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.