Home / 20,180.94-27,850.62-16,818.14

Finding the Fourth Proportional to 20,180.94, 27,850.62 and 16,818.14

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Solution

The fourth proportional to 20,180.94, 27,850.62 and 16,818.14 is: 23,209.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,180.94 : 27,850.62 = 16,818.14 : x
  2. Step 2: Convert to fraction form
    20,180.94/27,850.62 = 16,818.14/x
  3. Step 3: Cross multiply
    20,180.94x = 27,850.62 × 16,818.14
  4. Step 4: Simplify right side
    20,180.94x = 468,395,486.99
  5. Step 5: Solve for x
    x = 468,395,486.99/20,180.94
  6. Step 6: Final answer
    x = 23,209.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.