Home / 27,765.44-41,645.58-7,776.74

Finding the Fourth Proportional to 27,765.44, 41,645.58 and 7,776.74

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Solution

The fourth proportional to 27,765.44, 41,645.58 and 7,776.74 is: 11,664.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,765.44 : 41,645.58 = 7,776.74 : x
  2. Step 2: Convert to fraction form
    27,765.44/41,645.58 = 7,776.74/x
  3. Step 3: Cross multiply
    27,765.44x = 41,645.58 × 7,776.74
  4. Step 4: Simplify right side
    27,765.44x = 323,866,847.81
  5. Step 5: Solve for x
    x = 323,866,847.81/27,765.44
  6. Step 6: Final answer
    x = 11,664.39

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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.