Home / 21,771.09-32,629.32-11,775.44

Finding the Fourth Proportional to 21,771.09, 32,629.32 and 11,775.44

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Solution

The fourth proportional to 21,771.09, 32,629.32 and 11,775.44 is: 17,648.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,771.09 : 32,629.32 = 11,775.44 : x
  2. Step 2: Convert to fraction form
    21,771.09/32,629.32 = 11,775.44/x
  3. Step 3: Cross multiply
    21,771.09x = 32,629.32 × 11,775.44
  4. Step 4: Simplify right side
    21,771.09x = 384,224,436.75
  5. Step 5: Solve for x
    x = 384,224,436.75/21,771.09
  6. Step 6: Final answer
    x = 17,648.38

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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.