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Finding the Fourth Proportional to 36,644.42, 54,976.62 and 15,573.08

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Solution

The fourth proportional to 36,644.42, 54,976.62 and 15,573.08 is: 23,363.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,644.42 : 54,976.62 = 15,573.08 : x
  2. Step 2: Convert to fraction form
    36,644.42/54,976.62 = 15,573.08/x
  3. Step 3: Cross multiply
    36,644.42x = 54,976.62 × 15,573.08
  4. Step 4: Simplify right side
    36,644.42x = 856,155,301.39
  5. Step 5: Solve for x
    x = 856,155,301.39/36,644.42
  6. Step 6: Final answer
    x = 23,363.87

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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.