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Finding the Fourth Proportional to 36,676, 55,021.07 and 15,615.65

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Solution

The fourth proportional to 36,676, 55,021.07 and 15,615.65 is: 23,426.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,676 : 55,021.07 = 15,615.65 : x
  2. Step 2: Convert to fraction form
    36,676/55,021.07 = 15,615.65/x
  3. Step 3: Cross multiply
    36,676x = 55,021.07 × 15,615.65
  4. Step 4: Simplify right side
    36,676x = 859,189,771.75
  5. Step 5: Solve for x
    x = 859,189,771.75/36,676
  6. Step 6: Final answer
    x = 23,426.49

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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.