Home / 28,043.01-42,067.35-13,247.96

Finding the Fourth Proportional to 28,043.01, 42,067.35 and 13,247.96

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Solution

The fourth proportional to 28,043.01, 42,067.35 and 13,247.96 is: 19,873.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,043.01 : 42,067.35 = 13,247.96 : x
  2. Step 2: Convert to fraction form
    28,043.01/42,067.35 = 13,247.96/x
  3. Step 3: Cross multiply
    28,043.01x = 42,067.35 × 13,247.96
  4. Step 4: Simplify right side
    28,043.01x = 557,306,359.77
  5. Step 5: Solve for x
    x = 557,306,359.77/28,043.01
  6. Step 6: Final answer
    x = 19,873.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.