Home / 20,063.02-27,687.96-11,111.50

Finding the Fourth Proportional to 20,063.02, 27,687.96 and 11,111.50

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Solution

The fourth proportional to 20,063.02, 27,687.96 and 11,111.50 is: 15,334.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,063.02 : 27,687.96 = 11,111.50 : x
  2. Step 2: Convert to fraction form
    20,063.02/27,687.96 = 11,111.50/x
  3. Step 3: Cross multiply
    20,063.02x = 27,687.96 × 11,111.50
  4. Step 4: Simplify right side
    20,063.02x = 307,654,767.54
  5. Step 5: Solve for x
    x = 307,654,767.54/20,063.02
  6. Step 6: Final answer
    x = 15,334.42

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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.