Home / 21,169.20-31,754.79-17,464.56

Finding the Fourth Proportional to 21,169.20, 31,754.79 and 17,464.56

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Solution

The fourth proportional to 21,169.20, 31,754.79 and 17,464.56 is: 26,197.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,169.20 : 31,754.79 = 17,464.56 : x
  2. Step 2: Convert to fraction form
    21,169.20/31,754.79 = 17,464.56/x
  3. Step 3: Cross multiply
    21,169.20x = 31,754.79 × 17,464.56
  4. Step 4: Simplify right side
    21,169.20x = 554,583,435.24
  5. Step 5: Solve for x
    x = 554,583,435.24/21,169.20
  6. Step 6: Final answer
    x = 26,197.66

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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.