Home / 36,838.80-55,279.64-15,489.97

Finding the Fourth Proportional to 36,838.80, 55,279.64 and 15,489.97

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Solution

The fourth proportional to 36,838.80, 55,279.64 and 15,489.97 is: 23,243.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,838.80 : 55,279.64 = 15,489.97 : x
  2. Step 2: Convert to fraction form
    36,838.80/55,279.64 = 15,489.97/x
  3. Step 3: Cross multiply
    36,838.80x = 55,279.64 × 15,489.97
  4. Step 4: Simplify right side
    36,838.80x = 856,279,855.97
  5. Step 5: Solve for x
    x = 856,279,855.97/36,838.80
  6. Step 6: Final answer
    x = 23,243.97

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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.