Home / 27,756.22-41,636.97-7,765.72

Finding the Fourth Proportional to 27,756.22, 41,636.97 and 7,765.72

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Solution

The fourth proportional to 27,756.22, 41,636.97 and 7,765.72 is: 11,649.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,756.22 : 41,636.97 = 7,765.72 : x
  2. Step 2: Convert to fraction form
    27,756.22/41,636.97 = 7,765.72/x
  3. Step 3: Cross multiply
    27,756.22x = 41,636.97 × 7,765.72
  4. Step 4: Simplify right side
    27,756.22x = 323,341,213.55
  5. Step 5: Solve for x
    x = 323,341,213.55/27,756.22
  6. Step 6: Final answer
    x = 11,649.32

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1.5x scale

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.