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Finding the Fourth Proportional to 36,408, 54,561.22 and 27,516.02

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Solution

The fourth proportional to 36,408, 54,561.22 and 27,516.02 is: 41,235.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,408 : 54,561.22 = 27,516.02 : x
  2. Step 2: Convert to fraction form
    36,408/54,561.22 = 27,516.02/x
  3. Step 3: Cross multiply
    36,408x = 54,561.22 × 27,516.02
  4. Step 4: Simplify right side
    36,408x = 1,501,307,620.74
  5. Step 5: Solve for x
    x = 1,501,307,620.74/36,408
  6. Step 6: Final answer
    x = 41,235.65

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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.