Home / 20,434.38-30,712.73-16,947.33

Finding the Fourth Proportional to 20,434.38, 30,712.73 and 16,947.33

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Solution

The fourth proportional to 20,434.38, 30,712.73 and 16,947.33 is: 25,471.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,434.38 : 30,712.73 = 16,947.33 : x
  2. Step 2: Convert to fraction form
    20,434.38/30,712.73 = 16,947.33/x
  3. Step 3: Cross multiply
    20,434.38x = 30,712.73 × 16,947.33
  4. Step 4: Simplify right side
    20,434.38x = 520,498,685.77
  5. Step 5: Solve for x
    x = 520,498,685.77/20,434.38
  6. Step 6: Final answer
    x = 25,471.71

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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.