Home / 20,093.02-27,729.05-11,140

Finding the Fourth Proportional to 20,093.02, 27,729.05 and 11,140

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Solution

The fourth proportional to 20,093.02, 27,729.05 and 11,140 is: 15,373.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,093.02 : 27,729.05 = 11,140 : x
  2. Step 2: Convert to fraction form
    20,093.02/27,729.05 = 11,140/x
  3. Step 3: Cross multiply
    20,093.02x = 27,729.05 × 11,140
  4. Step 4: Simplify right side
    20,093.02x = 308,901,617
  5. Step 5: Solve for x
    x = 308,901,617/20,093.02
  6. Step 6: Final answer
    x = 15,373.58

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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.