Home / 23,067.29-31,829.47-12,993.72

Finding the Fourth Proportional to 23,067.29, 31,829.47 and 12,993.72

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Solution

The fourth proportional to 23,067.29, 31,829.47 and 12,993.72 is: 17,929.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,067.29 : 31,829.47 = 12,993.72 : x
  2. Step 2: Convert to fraction form
    23,067.29/31,829.47 = 12,993.72/x
  3. Step 3: Cross multiply
    23,067.29x = 31,829.47 × 12,993.72
  4. Step 4: Simplify right side
    23,067.29x = 413,583,188.44
  5. Step 5: Solve for x
    x = 413,583,188.44/23,067.29
  6. Step 6: Final answer
    x = 17,929.43

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1.5x scale

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.