Home / 20,165.26-30,111.97-16,474.78

Finding the Fourth Proportional to 20,165.26, 30,111.97 and 16,474.78

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Solution

The fourth proportional to 20,165.26, 30,111.97 and 16,474.78 is: 24,601.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,165.26 : 30,111.97 = 16,474.78 : x
  2. Step 2: Convert to fraction form
    20,165.26/30,111.97 = 16,474.78/x
  3. Step 3: Cross multiply
    20,165.26x = 30,111.97 × 16,474.78
  4. Step 4: Simplify right side
    20,165.26x = 496,087,998.74
  5. Step 5: Solve for x
    x = 496,087,998.74/20,165.26
  6. Step 6: Final answer
    x = 24,601.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.