Home / 26,654.97-39,898.63-18,286.05

Finding the Fourth Proportional to 26,654.97, 39,898.63 and 18,286.05

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Solution

The fourth proportional to 26,654.97, 39,898.63 and 18,286.05 is: 27,371.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,654.97 : 39,898.63 = 18,286.05 : x
  2. Step 2: Convert to fraction form
    26,654.97/39,898.63 = 18,286.05/x
  3. Step 3: Cross multiply
    26,654.97x = 39,898.63 × 18,286.05
  4. Step 4: Simplify right side
    26,654.97x = 729,588,412.73
  5. Step 5: Solve for x
    x = 729,588,412.73/26,654.97
  6. Step 6: Final answer
    x = 27,371.57

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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.