Home / 26,687.17-39,991.87-18,224.29

Finding the Fourth Proportional to 26,687.17, 39,991.87 and 18,224.29

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Solution

The fourth proportional to 26,687.17, 39,991.87 and 18,224.29 is: 27,309.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,687.17 : 39,991.87 = 18,224.29 : x
  2. Step 2: Convert to fraction form
    26,687.17/39,991.87 = 18,224.29/x
  3. Step 3: Cross multiply
    26,687.17x = 39,991.87 × 18,224.29
  4. Step 4: Simplify right side
    26,687.17x = 728,823,436.52
  5. Step 5: Solve for x
    x = 728,823,436.52/26,687.17
  6. Step 6: Final answer
    x = 27,309.88

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1.5x scale

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.