Home / 29,515.12-40,729.68-16,086.09

Finding the Fourth Proportional to 29,515.12, 40,729.68 and 16,086.09

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Solution

The fourth proportional to 29,515.12, 40,729.68 and 16,086.09 is: 22,198.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,515.12 : 40,729.68 = 16,086.09 : x
  2. Step 2: Convert to fraction form
    29,515.12/40,729.68 = 16,086.09/x
  3. Step 3: Cross multiply
    29,515.12x = 40,729.68 × 16,086.09
  4. Step 4: Simplify right side
    29,515.12x = 655,181,298.15
  5. Step 5: Solve for x
    x = 655,181,298.15/29,515.12
  6. Step 6: Final answer
    x = 22,198.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.