Home / 20,372.26-30,487.92-14,090.10

Finding the Fourth Proportional to 20,372.26, 30,487.92 and 14,090.10

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Solution

The fourth proportional to 20,372.26, 30,487.92 and 14,090.10 is: 21,086.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,372.26 : 30,487.92 = 14,090.10 : x
  2. Step 2: Convert to fraction form
    20,372.26/30,487.92 = 14,090.10/x
  3. Step 3: Cross multiply
    20,372.26x = 30,487.92 × 14,090.10
  4. Step 4: Simplify right side
    20,372.26x = 429,577,841.59
  5. Step 5: Solve for x
    x = 429,577,841.59/20,372.26
  6. Step 6: Final answer
    x = 21,086.41

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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.