Home / 27,167.22-40,747.37-10,515.86

Finding the Fourth Proportional to 27,167.22, 40,747.37 and 10,515.86

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Solution

The fourth proportional to 27,167.22, 40,747.37 and 10,515.86 is: 15,772.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,167.22 : 40,747.37 = 10,515.86 : x
  2. Step 2: Convert to fraction form
    27,167.22/40,747.37 = 10,515.86/x
  3. Step 3: Cross multiply
    27,167.22x = 40,747.37 × 10,515.86
  4. Step 4: Simplify right side
    27,167.22x = 428,493,638.29
  5. Step 5: Solve for x
    x = 428,493,638.29/27,167.22
  6. Step 6: Final answer
    x = 15,772.45

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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.