Home / 21,504.88-32,255.70-12,795.22

Finding the Fourth Proportional to 21,504.88, 32,255.70 and 12,795.22

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Solution

The fourth proportional to 21,504.88, 32,255.70 and 12,795.22 is: 19,191.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,504.88 : 32,255.70 = 12,795.22 : x
  2. Step 2: Convert to fraction form
    21,504.88/32,255.70 = 12,795.22/x
  3. Step 3: Cross multiply
    21,504.88x = 32,255.70 × 12,795.22
  4. Step 4: Simplify right side
    21,504.88x = 412,718,777.75
  5. Step 5: Solve for x
    x = 412,718,777.75/21,504.88
  6. Step 6: Final answer
    x = 19,191.87

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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.