Home / 20,277.42-27,986.22-19,744.44

Finding the Fourth Proportional to 20,277.42, 27,986.22 and 19,744.44

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Solution

The fourth proportional to 20,277.42, 27,986.22 and 19,744.44 is: 27,250.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,277.42 : 27,986.22 = 19,744.44 : x
  2. Step 2: Convert to fraction form
    20,277.42/27,986.22 = 19,744.44/x
  3. Step 3: Cross multiply
    20,277.42x = 27,986.22 × 19,744.44
  4. Step 4: Simplify right side
    20,277.42x = 552,572,241.62
  5. Step 5: Solve for x
    x = 552,572,241.62/20,277.42
  6. Step 6: Final answer
    x = 27,250.62

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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.