Home / 26,724.50-40,091.60-9,190.43

Finding the Fourth Proportional to 26,724.50, 40,091.60 and 9,190.43

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Solution

The fourth proportional to 26,724.50, 40,091.60 and 9,190.43 is: 13,787.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,724.50 : 40,091.60 = 9,190.43 : x
  2. Step 2: Convert to fraction form
    26,724.50/40,091.60 = 9,190.43/x
  3. Step 3: Cross multiply
    26,724.50x = 40,091.60 × 9,190.43
  4. Step 4: Simplify right side
    26,724.50x = 368,459,043.39
  5. Step 5: Solve for x
    x = 368,459,043.39/26,724.50
  6. Step 6: Final answer
    x = 13,787.31

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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.