Home / 27,078.55-40,617.60-7,356.98

Finding the Fourth Proportional to 27,078.55, 40,617.60 and 7,356.98

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Solution

The fourth proportional to 27,078.55, 40,617.60 and 7,356.98 is: 11,035.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,078.55 : 40,617.60 = 7,356.98 : x
  2. Step 2: Convert to fraction form
    27,078.55/40,617.60 = 7,356.98/x
  3. Step 3: Cross multiply
    27,078.55x = 40,617.60 × 7,356.98
  4. Step 4: Simplify right side
    27,078.55x = 298,822,757.71
  5. Step 5: Solve for x
    x = 298,822,757.71/27,078.55
  6. Step 6: Final answer
    x = 11,035.40

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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.