Home / 18,289.82-27,381.26-16,538.88

Finding the Fourth Proportional to 18,289.82, 27,381.26 and 16,538.88

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Solution

The fourth proportional to 18,289.82, 27,381.26 and 16,538.88 is: 24,759.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,289.82 : 27,381.26 = 16,538.88 : x
  2. Step 2: Convert to fraction form
    18,289.82/27,381.26 = 16,538.88/x
  3. Step 3: Cross multiply
    18,289.82x = 27,381.26 × 16,538.88
  4. Step 4: Simplify right side
    18,289.82x = 452,855,373.39
  5. Step 5: Solve for x
    x = 452,855,373.39/18,289.82
  6. Step 6: Final answer
    x = 24,759.97

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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.