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Finding the Fourth Proportional to 36,019.80, 53,992.75 and 13,827.20

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Solution

The fourth proportional to 36,019.80, 53,992.75 and 13,827.20 is: 20,726.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,019.80 : 53,992.75 = 13,827.20 : x
  2. Step 2: Convert to fraction form
    36,019.80/53,992.75 = 13,827.20/x
  3. Step 3: Cross multiply
    36,019.80x = 53,992.75 × 13,827.20
  4. Step 4: Simplify right side
    36,019.80x = 746,568,552.80
  5. Step 5: Solve for x
    x = 746,568,552.80/36,019.80
  6. Step 6: Final answer
    x = 20,726.62

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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.