Home / 26,917.11-37,067.22-20,938.70

Finding the Fourth Proportional to 26,917.11, 37,067.22 and 20,938.70

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Solution

The fourth proportional to 26,917.11, 37,067.22 and 20,938.70 is: 28,834.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,917.11 : 37,067.22 = 20,938.70 : x
  2. Step 2: Convert to fraction form
    26,917.11/37,067.22 = 20,938.70/x
  3. Step 3: Cross multiply
    26,917.11x = 37,067.22 × 20,938.70
  4. Step 4: Simplify right side
    26,917.11x = 776,139,492.08
  5. Step 5: Solve for x
    x = 776,139,492.08/26,917.11
  6. Step 6: Final answer
    x = 28,834.43

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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.