Home / 22,679.03-31,286.17-19,529.75

Finding the Fourth Proportional to 22,679.03, 31,286.17 and 19,529.75

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Solution

The fourth proportional to 22,679.03, 31,286.17 and 19,529.75 is: 26,941.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,679.03 : 31,286.17 = 19,529.75 : x
  2. Step 2: Convert to fraction form
    22,679.03/31,286.17 = 19,529.75/x
  3. Step 3: Cross multiply
    22,679.03x = 31,286.17 × 19,529.75
  4. Step 4: Simplify right side
    22,679.03x = 611,011,078.56
  5. Step 5: Solve for x
    x = 611,011,078.56/22,679.03
  6. Step 6: Final answer
    x = 26,941.68

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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.