Home / 26,956.97-37,205.01-20,571.47

Finding the Fourth Proportional to 26,956.97, 37,205.01 and 20,571.47

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Solution

The fourth proportional to 26,956.97, 37,205.01 and 20,571.47 is: 28,391.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,956.97 : 37,205.01 = 20,571.47 : x
  2. Step 2: Convert to fraction form
    26,956.97/37,205.01 = 20,571.47/x
  3. Step 3: Cross multiply
    26,956.97x = 37,205.01 × 20,571.47
  4. Step 4: Simplify right side
    26,956.97x = 765,361,561.04
  5. Step 5: Solve for x
    x = 765,361,561.04/26,956.97
  6. Step 6: Final answer
    x = 28,391.98

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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.