Home / 27,323.15-40,939.61-12,499.38

Finding the Fourth Proportional to 27,323.15, 40,939.61 and 12,499.38

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Solution

The fourth proportional to 27,323.15, 40,939.61 and 12,499.38 is: 18,728.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,323.15 : 40,939.61 = 12,499.38 : x
  2. Step 2: Convert to fraction form
    27,323.15/40,939.61 = 12,499.38/x
  3. Step 3: Cross multiply
    27,323.15x = 40,939.61 × 12,499.38
  4. Step 4: Simplify right side
    27,323.15x = 511,719,679.94
  5. Step 5: Solve for x
    x = 511,719,679.94/27,323.15
  6. Step 6: Final answer
    x = 18,728.43

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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.