Home / 26,665.20-39,940.20-22,057.20

Finding the Fourth Proportional to 26,665.20, 39,940.20 and 22,057.20

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Solution

The fourth proportional to 26,665.20, 39,940.20 and 22,057.20 is: 33,038.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,665.20 : 39,940.20 = 22,057.20 : x
  2. Step 2: Convert to fraction form
    26,665.20/39,940.20 = 22,057.20/x
  3. Step 3: Cross multiply
    26,665.20x = 39,940.20 × 22,057.20
  4. Step 4: Simplify right side
    26,665.20x = 880,968,979.44
  5. Step 5: Solve for x
    x = 880,968,979.44/26,665.20
  6. Step 6: Final answer
    x = 33,038.15

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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.