Home / 26,891.82-37,058.31-20,185.02

Finding the Fourth Proportional to 26,891.82, 37,058.31 and 20,185.02

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Solution

The fourth proportional to 26,891.82, 37,058.31 and 20,185.02 is: 27,815.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,891.82 : 37,058.31 = 20,185.02 : x
  2. Step 2: Convert to fraction form
    26,891.82/37,058.31 = 20,185.02/x
  3. Step 3: Cross multiply
    26,891.82x = 37,058.31 × 20,185.02
  4. Step 4: Simplify right side
    26,891.82x = 748,022,728.52
  5. Step 5: Solve for x
    x = 748,022,728.52/26,891.82
  6. Step 6: Final answer
    x = 27,815.99

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1.5x scale

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.