Home / 21,041.83-29,037.79-11,481.90

Finding the Fourth Proportional to 21,041.83, 29,037.79 and 11,481.90

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Solution

The fourth proportional to 21,041.83, 29,037.79 and 11,481.90 is: 15,845.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,041.83 : 29,037.79 = 11,481.90 : x
  2. Step 2: Convert to fraction form
    21,041.83/29,037.79 = 11,481.90/x
  3. Step 3: Cross multiply
    21,041.83x = 29,037.79 × 11,481.90
  4. Step 4: Simplify right side
    21,041.83x = 333,409,069.80
  5. Step 5: Solve for x
    x = 333,409,069.80/21,041.83
  6. Step 6: Final answer
    x = 15,845.06

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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.