Home / 20,633.05-30,954.39-16,432.21

Finding the Fourth Proportional to 20,633.05, 30,954.39 and 16,432.21

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Solution

The fourth proportional to 20,633.05, 30,954.39 and 16,432.21 is: 24,652.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,633.05 : 30,954.39 = 16,432.21 : x
  2. Step 2: Convert to fraction form
    20,633.05/30,954.39 = 16,432.21/x
  3. Step 3: Cross multiply
    20,633.05x = 30,954.39 × 16,432.21
  4. Step 4: Simplify right side
    20,633.05x = 508,649,036.90
  5. Step 5: Solve for x
    x = 508,649,036.90/20,633.05
  6. Step 6: Final answer
    x = 24,652.15

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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.