Home / 26,460.94-39,691.38-20,621.92

Finding the Fourth Proportional to 26,460.94, 39,691.38 and 20,621.92

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Solution

The fourth proportional to 26,460.94, 39,691.38 and 20,621.92 is: 30,932.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,460.94 : 39,691.38 = 20,621.92 : x
  2. Step 2: Convert to fraction form
    26,460.94/39,691.38 = 20,621.92/x
  3. Step 3: Cross multiply
    26,460.94x = 39,691.38 × 20,621.92
  4. Step 4: Simplify right side
    26,460.94x = 818,512,463.05
  5. Step 5: Solve for x
    x = 818,512,463.05/26,460.94
  6. Step 6: Final answer
    x = 30,932.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.