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Finding the Fourth Proportional to 27,067.94, 40,601.91 and 13,205.06

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Solution

The fourth proportional to 27,067.94, 40,601.91 and 13,205.06 is: 19,807.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,067.94 : 40,601.91 = 13,205.06 : x
  2. Step 2: Convert to fraction form
    27,067.94/40,601.91 = 13,205.06/x
  3. Step 3: Cross multiply
    27,067.94x = 40,601.91 × 13,205.06
  4. Step 4: Simplify right side
    27,067.94x = 536,150,808.69
  5. Step 5: Solve for x
    x = 536,150,808.69/27,067.94
  6. Step 6: Final answer
    x = 19,807.59

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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.