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Finding the Fourth Proportional to 18,089.98, 27,137.03 and 16,229.67

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Solution

The fourth proportional to 18,089.98, 27,137.03 and 16,229.67 is: 24,346.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,089.98 : 27,137.03 = 16,229.67 : x
  2. Step 2: Convert to fraction form
    18,089.98/27,137.03 = 16,229.67/x
  3. Step 3: Cross multiply
    18,089.98x = 27,137.03 × 16,229.67
  4. Step 4: Simplify right side
    18,089.98x = 440,424,858.77
  5. Step 5: Solve for x
    x = 440,424,858.77/18,089.98
  6. Step 6: Final answer
    x = 24,346.34

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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.