Home / 28,789.54-43,086.77-17,703.25

Finding the Fourth Proportional to 28,789.54, 43,086.77 and 17,703.25

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Solution

The fourth proportional to 28,789.54, 43,086.77 and 17,703.25 is: 26,494.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,789.54 : 43,086.77 = 17,703.25 : x
  2. Step 2: Convert to fraction form
    28,789.54/43,086.77 = 17,703.25/x
  3. Step 3: Cross multiply
    28,789.54x = 43,086.77 × 17,703.25
  4. Step 4: Simplify right side
    28,789.54x = 762,775,731.16
  5. Step 5: Solve for x
    x = 762,775,731.16/28,789.54
  6. Step 6: Final answer
    x = 26,494.89

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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.