Home / 20,563.80-30,847.62-5,772.65

Finding the Fourth Proportional to 20,563.80, 30,847.62 and 5,772.65

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Solution

The fourth proportional to 20,563.80, 30,847.62 and 5,772.65 is: 8,659.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,563.80 : 30,847.62 = 5,772.65 : x
  2. Step 2: Convert to fraction form
    20,563.80/30,847.62 = 5,772.65/x
  3. Step 3: Cross multiply
    20,563.80x = 30,847.62 × 5,772.65
  4. Step 4: Simplify right side
    20,563.80x = 178,072,513.59
  5. Step 5: Solve for x
    x = 178,072,513.59/20,563.80
  6. Step 6: Final answer
    x = 8,659.51

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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.