Home / 21,627.99-29,843.96-12,673.44

Finding the Fourth Proportional to 21,627.99, 29,843.96 and 12,673.44

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Solution

The fourth proportional to 21,627.99, 29,843.96 and 12,673.44 is: 17,487.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,627.99 : 29,843.96 = 12,673.44 : x
  2. Step 2: Convert to fraction form
    21,627.99/29,843.96 = 12,673.44/x
  3. Step 3: Cross multiply
    21,627.99x = 29,843.96 × 12,673.44
  4. Step 4: Simplify right side
    21,627.99x = 378,225,573.06
  5. Step 5: Solve for x
    x = 378,225,573.06/21,627.99
  6. Step 6: Final answer
    x = 17,487.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.