Home / 20,873.44-28,805.49-11,442.01

Finding the Fourth Proportional to 20,873.44, 28,805.49 and 11,442.01

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Solution

The fourth proportional to 20,873.44, 28,805.49 and 11,442.01 is: 15,790.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,873.44 : 28,805.49 = 11,442.01 : x
  2. Step 2: Convert to fraction form
    20,873.44/28,805.49 = 11,442.01/x
  3. Step 3: Cross multiply
    20,873.44x = 28,805.49 × 11,442.01
  4. Step 4: Simplify right side
    20,873.44x = 329,592,704.63
  5. Step 5: Solve for x
    x = 329,592,704.63/20,873.44
  6. Step 6: Final answer
    x = 15,790.05

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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.