Home / 26,689.97-39,976.64-13,519.73

Finding the Fourth Proportional to 26,689.97, 39,976.64 and 13,519.73

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Solution

The fourth proportional to 26,689.97, 39,976.64 and 13,519.73 is: 20,250.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,689.97 : 39,976.64 = 13,519.73 : x
  2. Step 2: Convert to fraction form
    26,689.97/39,976.64 = 13,519.73/x
  3. Step 3: Cross multiply
    26,689.97x = 39,976.64 × 13,519.73
  4. Step 4: Simplify right side
    26,689.97x = 540,473,311.51
  5. Step 5: Solve for x
    x = 540,473,311.51/26,689.97
  6. Step 6: Final answer
    x = 20,250.05

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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.