Home / 28,067.08-42,091.86-9,342.74

Finding the Fourth Proportional to 28,067.08, 42,091.86 and 9,342.74

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Solution

The fourth proportional to 28,067.08, 42,091.86 and 9,342.74 is: 14,011.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,067.08 : 42,091.86 = 9,342.74 : x
  2. Step 2: Convert to fraction form
    28,067.08/42,091.86 = 9,342.74/x
  3. Step 3: Cross multiply
    28,067.08x = 42,091.86 × 9,342.74
  4. Step 4: Simplify right side
    28,067.08x = 393,253,304.10
  5. Step 5: Solve for x
    x = 393,253,304.10/28,067.08
  6. Step 6: Final answer
    x = 14,011.19

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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.