Home / 21,827.68-32,764.43-19,344.75

Finding the Fourth Proportional to 21,827.68, 32,764.43 and 19,344.75

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Solution

The fourth proportional to 21,827.68, 32,764.43 and 19,344.75 is: 29,037.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,827.68 : 32,764.43 = 19,344.75 : x
  2. Step 2: Convert to fraction form
    21,827.68/32,764.43 = 19,344.75/x
  3. Step 3: Cross multiply
    21,827.68x = 32,764.43 × 19,344.75
  4. Step 4: Simplify right side
    21,827.68x = 633,819,610.52
  5. Step 5: Solve for x
    x = 633,819,610.52/21,827.68
  6. Step 6: Final answer
    x = 29,037.43

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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.