Home / 20,163.26-30,108.99-16,472.78

Finding the Fourth Proportional to 20,163.26, 30,108.99 and 16,472.78

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Solution

The fourth proportional to 20,163.26, 30,108.99 and 16,472.78 is: 24,598.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,163.26 : 30,108.99 = 16,472.78 : x
  2. Step 2: Convert to fraction form
    20,163.26/30,108.99 = 16,472.78/x
  3. Step 3: Cross multiply
    20,163.26x = 30,108.99 × 16,472.78
  4. Step 4: Simplify right side
    20,163.26x = 495,978,768.29
  5. Step 5: Solve for x
    x = 495,978,768.29/20,163.26
  6. Step 6: Final answer
    x = 24,598.14

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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.