Home / 27,191.94-37,517.16-15,861.90

Finding the Fourth Proportional to 27,191.94, 37,517.16 and 15,861.90

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Solution

The fourth proportional to 27,191.94, 37,517.16 and 15,861.90 is: 21,884.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,191.94 : 37,517.16 = 15,861.90 : x
  2. Step 2: Convert to fraction form
    27,191.94/37,517.16 = 15,861.90/x
  3. Step 3: Cross multiply
    27,191.94x = 37,517.16 × 15,861.90
  4. Step 4: Simplify right side
    27,191.94x = 595,093,440.20
  5. Step 5: Solve for x
    x = 595,093,440.20/27,191.94
  6. Step 6: Final answer
    x = 21,884.92

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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.