Home / 27,078.21-40,617.14-7,356.69

Finding the Fourth Proportional to 27,078.21, 40,617.14 and 7,356.69

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Solution

The fourth proportional to 27,078.21, 40,617.14 and 7,356.69 is: 11,034.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,078.21 : 40,617.14 = 7,356.69 : x
  2. Step 2: Convert to fraction form
    27,078.21/40,617.14 = 7,356.69/x
  3. Step 3: Cross multiply
    27,078.21x = 40,617.14 × 7,356.69
  4. Step 4: Simplify right side
    27,078.21x = 298,807,670.88
  5. Step 5: Solve for x
    x = 298,807,670.88/27,078.21
  6. Step 6: Final answer
    x = 11,034.99

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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.