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Finding the Fourth Proportional to 36,019.62, 53,992.48 and 13,827.01

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Solution

The fourth proportional to 36,019.62, 53,992.48 and 13,827.01 is: 20,726.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,019.62 : 53,992.48 = 13,827.01 : x
  2. Step 2: Convert to fraction form
    36,019.62/53,992.48 = 13,827.01/x
  3. Step 3: Cross multiply
    36,019.62x = 53,992.48 × 13,827.01
  4. Step 4: Simplify right side
    36,019.62x = 746,554,560.88
  5. Step 5: Solve for x
    x = 746,554,560.88/36,019.62
  6. Step 6: Final answer
    x = 20,726.33

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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.