Home / 20,468.22-30,673.47-16,289.64

Finding the Fourth Proportional to 20,468.22, 30,673.47 and 16,289.64

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Solution

The fourth proportional to 20,468.22, 30,673.47 and 16,289.64 is: 24,411.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,468.22 : 30,673.47 = 16,289.64 : x
  2. Step 2: Convert to fraction form
    20,468.22/30,673.47 = 16,289.64/x
  3. Step 3: Cross multiply
    20,468.22x = 30,673.47 × 16,289.64
  4. Step 4: Simplify right side
    20,468.22x = 499,659,783.85
  5. Step 5: Solve for x
    x = 499,659,783.85/20,468.22
  6. Step 6: Final answer
    x = 24,411.49

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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.