Home / 21,759.26-30,027.80-12,327.83

Finding the Fourth Proportional to 21,759.26, 30,027.80 and 12,327.83

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Solution

The fourth proportional to 21,759.26, 30,027.80 and 12,327.83 is: 17,012.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,759.26 : 30,027.80 = 12,327.83 : x
  2. Step 2: Convert to fraction form
    21,759.26/30,027.80 = 12,327.83/x
  3. Step 3: Cross multiply
    21,759.26x = 30,027.80 × 12,327.83
  4. Step 4: Simplify right side
    21,759.26x = 370,177,613.67
  5. Step 5: Solve for x
    x = 370,177,613.67/21,759.26
  6. Step 6: Final answer
    x = 17,012.42

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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.