Home / 18,087.48-27,008.10-15,961.37

Finding the Fourth Proportional to 18,087.48, 27,008.10 and 15,961.37

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Solution

The fourth proportional to 18,087.48, 27,008.10 and 15,961.37 is: 23,833.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,087.48 : 27,008.10 = 15,961.37 : x
  2. Step 2: Convert to fraction form
    18,087.48/27,008.10 = 15,961.37/x
  3. Step 3: Cross multiply
    18,087.48x = 27,008.10 × 15,961.37
  4. Step 4: Simplify right side
    18,087.48x = 431,086,142.06
  5. Step 5: Solve for x
    x = 431,086,142.06/18,087.48
  6. Step 6: Final answer
    x = 23,833.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.