Home / 27,427.16-41,140.73-7,705.88

Finding the Fourth Proportional to 27,427.16, 41,140.73 and 7,705.88

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Solution

The fourth proportional to 27,427.16, 41,140.73 and 7,705.88 is: 11,558.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,427.16 : 41,140.73 = 7,705.88 : x
  2. Step 2: Convert to fraction form
    27,427.16/41,140.73 = 7,705.88/x
  3. Step 3: Cross multiply
    27,427.16x = 41,140.73 × 7,705.88
  4. Step 4: Simplify right side
    27,427.16x = 317,025,650.61
  5. Step 5: Solve for x
    x = 317,025,650.61/27,427.16
  6. Step 6: Final answer
    x = 11,558.82

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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.