Home / 20,025.64-30,022.24-8,347.60

Finding the Fourth Proportional to 20,025.64, 30,022.24 and 8,347.60

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Solution

The fourth proportional to 20,025.64, 30,022.24 and 8,347.60 is: 12,514.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,025.64 : 30,022.24 = 8,347.60 : x
  2. Step 2: Convert to fraction form
    20,025.64/30,022.24 = 8,347.60/x
  3. Step 3: Cross multiply
    20,025.64x = 30,022.24 × 8,347.60
  4. Step 4: Simplify right side
    20,025.64x = 250,613,650.62
  5. Step 5: Solve for x
    x = 250,613,650.62/20,025.64
  6. Step 6: Final answer
    x = 12,514.64

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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.