Home / 20,701.63-31,067.97-15,169.06

Finding the Fourth Proportional to 20,701.63, 31,067.97 and 15,169.06

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Solution

The fourth proportional to 20,701.63, 31,067.97 and 15,169.06 is: 22,764.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,701.63 : 31,067.97 = 15,169.06 : x
  2. Step 2: Convert to fraction form
    20,701.63/31,067.97 = 15,169.06/x
  3. Step 3: Cross multiply
    20,701.63x = 31,067.97 × 15,169.06
  4. Step 4: Simplify right side
    20,701.63x = 471,271,901.01
  5. Step 5: Solve for x
    x = 471,271,901.01/20,701.63
  6. Step 6: Final answer
    x = 22,764.97

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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.