Home / 21,485.88-32,198.58-17,083.80

Finding the Fourth Proportional to 21,485.88, 32,198.58 and 17,083.80

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Solution

The fourth proportional to 21,485.88, 32,198.58 and 17,083.80 is: 25,601.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,485.88 : 32,198.58 = 17,083.80 : x
  2. Step 2: Convert to fraction form
    21,485.88/32,198.58 = 17,083.80/x
  3. Step 3: Cross multiply
    21,485.88x = 32,198.58 × 17,083.80
  4. Step 4: Simplify right side
    21,485.88x = 550,074,101.00
  5. Step 5: Solve for x
    x = 550,074,101.00/21,485.88
  6. Step 6: Final answer
    x = 25,601.66

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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.