Home / 31,367.79-43,287.38-17,027.91

Finding the Fourth Proportional to 31,367.79, 43,287.38 and 17,027.91

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Solution

The fourth proportional to 31,367.79, 43,287.38 and 17,027.91 is: 23,498.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,367.79 : 43,287.38 = 17,027.91 : x
  2. Step 2: Convert to fraction form
    31,367.79/43,287.38 = 17,027.91/x
  3. Step 3: Cross multiply
    31,367.79x = 43,287.38 × 17,027.91
  4. Step 4: Simplify right side
    31,367.79x = 737,093,525.64
  5. Step 5: Solve for x
    x = 737,093,525.64/31,367.79
  6. Step 6: Final answer
    x = 23,498.42

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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.