Home / 20,632.05-30,952.89-16,431.21

Finding the Fourth Proportional to 20,632.05, 30,952.89 and 16,431.21

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Solution

The fourth proportional to 20,632.05, 30,952.89 and 16,431.21 is: 24,650.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,632.05 : 30,952.89 = 16,431.21 : x
  2. Step 2: Convert to fraction form
    20,632.05/30,952.89 = 16,431.21/x
  3. Step 3: Cross multiply
    20,632.05x = 30,952.89 × 16,431.21
  4. Step 4: Simplify right side
    20,632.05x = 508,593,435.70
  5. Step 5: Solve for x
    x = 508,593,435.70/20,632.05
  6. Step 6: Final answer
    x = 24,650.65

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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.