Home / 31,266.42-43,147.34-16,926

Finding the Fourth Proportional to 31,266.42, 43,147.34 and 16,926

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Solution

The fourth proportional to 31,266.42, 43,147.34 and 16,926 is: 23,357.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,266.42 : 43,147.34 = 16,926 : x
  2. Step 2: Convert to fraction form
    31,266.42/43,147.34 = 16,926/x
  3. Step 3: Cross multiply
    31,266.42x = 43,147.34 × 16,926
  4. Step 4: Simplify right side
    31,266.42x = 730,311,792.21
  5. Step 5: Solve for x
    x = 730,311,792.21/31,266.42
  6. Step 6: Final answer
    x = 23,357.70

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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.