Home / 36,786.80-55,163.84-10,485.60

Finding the Fourth Proportional to 36,786.80, 55,163.84 and 10,485.60

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Solution

The fourth proportional to 36,786.80, 55,163.84 and 10,485.60 is: 15,723.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,786.80 : 55,163.84 = 10,485.60 : x
  2. Step 2: Convert to fraction form
    36,786.80/55,163.84 = 10,485.60/x
  3. Step 3: Cross multiply
    36,786.80x = 55,163.84 × 10,485.60
  4. Step 4: Simplify right side
    36,786.80x = 578,425,960.70
  5. Step 5: Solve for x
    x = 578,425,960.70/36,786.80
  6. Step 6: Final answer
    x = 15,723.74

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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.