Home / 20,402.42-30,569.07-16,255.22

Finding the Fourth Proportional to 20,402.42, 30,569.07 and 16,255.22

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Solution

The fourth proportional to 20,402.42, 30,569.07 and 16,255.22 is: 24,355.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,402.42 : 30,569.07 = 16,255.22 : x
  2. Step 2: Convert to fraction form
    20,402.42/30,569.07 = 16,255.22/x
  3. Step 3: Cross multiply
    20,402.42x = 30,569.07 × 16,255.22
  4. Step 4: Simplify right side
    20,402.42x = 496,906,958.05
  5. Step 5: Solve for x
    x = 496,906,958.05/20,402.42
  6. Step 6: Final answer
    x = 24,355.30

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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.