Home / 20,617.72-30,874.23-17,277.19

Finding the Fourth Proportional to 20,617.72, 30,874.23 and 17,277.19

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Solution

The fourth proportional to 20,617.72, 30,874.23 and 17,277.19 is: 25,871.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,617.72 : 30,874.23 = 17,277.19 : x
  2. Step 2: Convert to fraction form
    20,617.72/30,874.23 = 17,277.19/x
  3. Step 3: Cross multiply
    20,617.72x = 30,874.23 × 17,277.19
  4. Step 4: Simplify right side
    20,617.72x = 533,419,860.63
  5. Step 5: Solve for x
    x = 533,419,860.63/20,617.72
  6. Step 6: Final answer
    x = 25,871.92

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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.