Home / 27,067.31-40,607.12-10,205.54

Finding the Fourth Proportional to 27,067.31, 40,607.12 and 10,205.54

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Solution

The fourth proportional to 27,067.31, 40,607.12 and 10,205.54 is: 15,310.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,067.31 : 40,607.12 = 10,205.54 : x
  2. Step 2: Convert to fraction form
    27,067.31/40,607.12 = 10,205.54/x
  3. Step 3: Cross multiply
    27,067.31x = 40,607.12 × 10,205.54
  4. Step 4: Simplify right side
    27,067.31x = 414,417,790.61
  5. Step 5: Solve for x
    x = 414,417,790.61/27,067.31
  6. Step 6: Final answer
    x = 15,310.64

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1.5x scale

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.