Home / 21,778.88-32,646.26-14,759.61

Finding the Fourth Proportional to 21,778.88, 32,646.26 and 14,759.61

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Solution

The fourth proportional to 21,778.88, 32,646.26 and 14,759.61 is: 22,124.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,778.88 : 32,646.26 = 14,759.61 : x
  2. Step 2: Convert to fraction form
    21,778.88/32,646.26 = 14,759.61/x
  3. Step 3: Cross multiply
    21,778.88x = 32,646.26 × 14,759.61
  4. Step 4: Simplify right side
    21,778.88x = 481,846,065.56
  5. Step 5: Solve for x
    x = 481,846,065.56/21,778.88
  6. Step 6: Final answer
    x = 22,124.46

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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.