Home / 26,908.86-37,147.68-20,845.61

Finding the Fourth Proportional to 26,908.86, 37,147.68 and 20,845.61

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Solution

The fourth proportional to 26,908.86, 37,147.68 and 20,845.61 is: 28,777.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,908.86 : 37,147.68 = 20,845.61 : x
  2. Step 2: Convert to fraction form
    26,908.86/37,147.68 = 20,845.61/x
  3. Step 3: Cross multiply
    26,908.86x = 37,147.68 × 20,845.61
  4. Step 4: Simplify right side
    26,908.86x = 774,366,049.68
  5. Step 5: Solve for x
    x = 774,366,049.68/26,908.86
  6. Step 6: Final answer
    x = 28,777.36

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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.