Home / 20,241.24-27,935.10-12,283.80

Finding the Fourth Proportional to 20,241.24, 27,935.10 and 12,283.80

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Solution

The fourth proportional to 20,241.24, 27,935.10 and 12,283.80 is: 16,952.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,241.24 : 27,935.10 = 12,283.80 : x
  2. Step 2: Convert to fraction form
    20,241.24/27,935.10 = 12,283.80/x
  3. Step 3: Cross multiply
    20,241.24x = 27,935.10 × 12,283.80
  4. Step 4: Simplify right side
    20,241.24x = 343,149,181.38
  5. Step 5: Solve for x
    x = 343,149,181.38/20,241.24
  6. Step 6: Final answer
    x = 16,952.97

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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.