Home / 20,625.68-30,891.56-16,155.44

Finding the Fourth Proportional to 20,625.68, 30,891.56 and 16,155.44

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Solution

The fourth proportional to 20,625.68, 30,891.56 and 16,155.44 is: 24,196.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,625.68 : 30,891.56 = 16,155.44 : x
  2. Step 2: Convert to fraction form
    20,625.68/30,891.56 = 16,155.44/x
  3. Step 3: Cross multiply
    20,625.68x = 30,891.56 × 16,155.44
  4. Step 4: Simplify right side
    20,625.68x = 499,066,744.09
  5. Step 5: Solve for x
    x = 499,066,744.09/20,625.68
  6. Step 6: Final answer
    x = 24,196.38

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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.