Home / 22,717.56-31,380.30-18,953.22

Finding the Fourth Proportional to 22,717.56, 31,380.30 and 18,953.22

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Solution

The fourth proportional to 22,717.56, 31,380.30 and 18,953.22 is: 26,180.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,717.56 : 31,380.30 = 18,953.22 : x
  2. Step 2: Convert to fraction form
    22,717.56/31,380.30 = 18,953.22/x
  3. Step 3: Cross multiply
    22,717.56x = 31,380.30 × 18,953.22
  4. Step 4: Simplify right side
    22,717.56x = 594,757,729.57
  5. Step 5: Solve for x
    x = 594,757,729.57/22,717.56
  6. Step 6: Final answer
    x = 26,180.53

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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.