Home / 28,789.73-43,087.05-17,703.44

Finding the Fourth Proportional to 28,789.73, 43,087.05 and 17,703.44

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Solution

The fourth proportional to 28,789.73, 43,087.05 and 17,703.44 is: 26,495.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,789.73 : 43,087.05 = 17,703.44 : x
  2. Step 2: Convert to fraction form
    28,789.73/43,087.05 = 17,703.44/x
  3. Step 3: Cross multiply
    28,789.73x = 43,087.05 × 17,703.44
  4. Step 4: Simplify right side
    28,789.73x = 762,788,789.02
  5. Step 5: Solve for x
    x = 762,788,789.02/28,789.73
  6. Step 6: Final answer
    x = 26,495.17

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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.