Home / 18,277.40-27,399.30-18,266.20

Finding the Fourth Proportional to 18,277.40, 27,399.30 and 18,266.20

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Solution

The fourth proportional to 18,277.40, 27,399.30 and 18,266.20 is: 27,382.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,277.40 : 27,399.30 = 18,266.20 : x
  2. Step 2: Convert to fraction form
    18,277.40/27,399.30 = 18,266.20/x
  3. Step 3: Cross multiply
    18,277.40x = 27,399.30 × 18,266.20
  4. Step 4: Simplify right side
    18,277.40x = 500,481,093.66
  5. Step 5: Solve for x
    x = 500,481,093.66/18,277.40
  6. Step 6: Final answer
    x = 27,382.51

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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.