Home / 22,738.57-34,131.13-18,777.21

Finding the Fourth Proportional to 22,738.57, 34,131.13 and 18,777.21

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Solution

The fourth proportional to 22,738.57, 34,131.13 and 18,777.21 is: 28,185.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,738.57 : 34,131.13 = 18,777.21 : x
  2. Step 2: Convert to fraction form
    22,738.57/34,131.13 = 18,777.21/x
  3. Step 3: Cross multiply
    22,738.57x = 34,131.13 × 18,777.21
  4. Step 4: Simplify right side
    22,738.57x = 640,887,131.01
  5. Step 5: Solve for x
    x = 640,887,131.01/22,738.57
  6. Step 6: Final answer
    x = 28,185.03

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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.