Home / 27,311.50-37,689.29-15,211.94

Finding the Fourth Proportional to 27,311.50, 37,689.29 and 15,211.94

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Solution

The fourth proportional to 27,311.50, 37,689.29 and 15,211.94 is: 20,992.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,311.50 : 37,689.29 = 15,211.94 : x
  2. Step 2: Convert to fraction form
    27,311.50/37,689.29 = 15,211.94/x
  3. Step 3: Cross multiply
    27,311.50x = 37,689.29 × 15,211.94
  4. Step 4: Simplify right side
    27,311.50x = 573,327,307.27
  5. Step 5: Solve for x
    x = 573,327,307.27/27,311.50
  6. Step 6: Final answer
    x = 20,992.16

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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.