Home / 20,458.85-30,659.41-16,280.26

Finding the Fourth Proportional to 20,458.85, 30,659.41 and 16,280.26

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Solution

The fourth proportional to 20,458.85, 30,659.41 and 16,280.26 is: 24,397.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,458.85 : 30,659.41 = 16,280.26 : x
  2. Step 2: Convert to fraction form
    20,458.85/30,659.41 = 16,280.26/x
  3. Step 3: Cross multiply
    20,458.85x = 30,659.41 × 16,280.26
  4. Step 4: Simplify right side
    20,458.85x = 499,143,109.95
  5. Step 5: Solve for x
    x = 499,143,109.95/20,458.85
  6. Step 6: Final answer
    x = 24,397.42

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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.