Home / 20,562.82-30,846.03-5,771.86

Finding the Fourth Proportional to 20,562.82, 30,846.03 and 5,771.86

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Solution

The fourth proportional to 20,562.82, 30,846.03 and 5,771.86 is: 8,658.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,562.82 : 30,846.03 = 5,771.86 : x
  2. Step 2: Convert to fraction form
    20,562.82/30,846.03 = 5,771.86/x
  3. Step 3: Cross multiply
    20,562.82x = 30,846.03 × 5,771.86
  4. Step 4: Simplify right side
    20,562.82x = 178,038,966.72
  5. Step 5: Solve for x
    x = 178,038,966.72/20,562.82
  6. Step 6: Final answer
    x = 8,658.30

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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.