Home / 18,233.60-27,350.40-13,625.60

Finding the Fourth Proportional to 18,233.60, 27,350.40 and 13,625.60

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Solution

The fourth proportional to 18,233.60, 27,350.40 and 13,625.60 is: 20,438.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,233.60 : 27,350.40 = 13,625.60 : x
  2. Step 2: Convert to fraction form
    18,233.60/27,350.40 = 13,625.60/x
  3. Step 3: Cross multiply
    18,233.60x = 27,350.40 × 13,625.60
  4. Step 4: Simplify right side
    18,233.60x = 372,665,610.24
  5. Step 5: Solve for x
    x = 372,665,610.24/18,233.60
  6. Step 6: Final answer
    x = 20,438.40

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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.