Home / 26,838.62-37,072.15-20,426.25

Finding the Fourth Proportional to 26,838.62, 37,072.15 and 20,426.25

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Solution

The fourth proportional to 26,838.62, 37,072.15 and 20,426.25 is: 28,214.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,838.62 : 37,072.15 = 20,426.25 : x
  2. Step 2: Convert to fraction form
    26,838.62/37,072.15 = 20,426.25/x
  3. Step 3: Cross multiply
    26,838.62x = 37,072.15 × 20,426.25
  4. Step 4: Simplify right side
    26,838.62x = 757,245,003.94
  5. Step 5: Solve for x
    x = 757,245,003.94/26,838.62
  6. Step 6: Final answer
    x = 28,214.76

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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.