Home / 20,181.44-27,851.30-16,818.62

Finding the Fourth Proportional to 20,181.44, 27,851.30 and 16,818.62

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Solution

The fourth proportional to 20,181.44, 27,851.30 and 16,818.62 is: 23,210.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,181.44 : 27,851.30 = 16,818.62 : x
  2. Step 2: Convert to fraction form
    20,181.44/27,851.30 = 16,818.62/x
  3. Step 3: Cross multiply
    20,181.44x = 27,851.30 × 16,818.62
  4. Step 4: Simplify right side
    20,181.44x = 468,420,431.21
  5. Step 5: Solve for x
    x = 468,420,431.21/20,181.44
  6. Step 6: Final answer
    x = 23,210.46

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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.