Home / 26,794.72-36,969.17-21,111.85

Finding the Fourth Proportional to 26,794.72, 36,969.17 and 21,111.85

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Solution

The fourth proportional to 26,794.72, 36,969.17 and 21,111.85 is: 29,128.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,794.72 : 36,969.17 = 21,111.85 : x
  2. Step 2: Convert to fraction form
    26,794.72/36,969.17 = 21,111.85/x
  3. Step 3: Cross multiply
    26,794.72x = 36,969.17 × 21,111.85
  4. Step 4: Simplify right side
    26,794.72x = 780,487,571.66
  5. Step 5: Solve for x
    x = 780,487,571.66/26,794.72
  6. Step 6: Final answer
    x = 29,128.41

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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.