Home / 20,567.43-30,846.60-5,777.85

Finding the Fourth Proportional to 20,567.43, 30,846.60 and 5,777.85

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Solution

The fourth proportional to 20,567.43, 30,846.60 and 5,777.85 is: 8,665.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,567.43 : 30,846.60 = 5,777.85 : x
  2. Step 2: Convert to fraction form
    20,567.43/30,846.60 = 5,777.85/x
  3. Step 3: Cross multiply
    20,567.43x = 30,846.60 × 5,777.85
  4. Step 4: Simplify right side
    20,567.43x = 178,227,027.81
  5. Step 5: Solve for x
    x = 178,227,027.81/20,567.43
  6. Step 6: Final answer
    x = 8,665.50

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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.