Home / 20,233.26-27,926.37-13,147.38

Finding the Fourth Proportional to 20,233.26, 27,926.37 and 13,147.38

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Solution

The fourth proportional to 20,233.26, 27,926.37 and 13,147.38 is: 18,146.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,233.26 : 27,926.37 = 13,147.38 : x
  2. Step 2: Convert to fraction form
    20,233.26/27,926.37 = 13,147.38/x
  3. Step 3: Cross multiply
    20,233.26x = 27,926.37 × 13,147.38
  4. Step 4: Simplify right side
    20,233.26x = 367,158,598.41
  5. Step 5: Solve for x
    x = 367,158,598.41/20,233.26
  6. Step 6: Final answer
    x = 18,146.29

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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.