Home / 28,976.73-39,986.50-17,796.57

Finding the Fourth Proportional to 28,976.73, 39,986.50 and 17,796.57

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Solution

The fourth proportional to 28,976.73, 39,986.50 and 17,796.57 is: 24,558.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,976.73 : 39,986.50 = 17,796.57 : x
  2. Step 2: Convert to fraction form
    28,976.73/39,986.50 = 17,796.57/x
  3. Step 3: Cross multiply
    28,976.73x = 39,986.50 × 17,796.57
  4. Step 4: Simplify right side
    28,976.73x = 711,622,546.31
  5. Step 5: Solve for x
    x = 711,622,546.31/28,976.73
  6. Step 6: Final answer
    x = 24,558.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.