Home / 27,551.52-41,327.64-7,830.05

Finding the Fourth Proportional to 27,551.52, 41,327.64 and 7,830.05

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Solution

The fourth proportional to 27,551.52, 41,327.64 and 7,830.05 is: 11,745.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,551.52 : 41,327.64 = 7,830.05 : x
  2. Step 2: Convert to fraction form
    27,551.52/41,327.64 = 7,830.05/x
  3. Step 3: Cross multiply
    27,551.52x = 41,327.64 × 7,830.05
  4. Step 4: Simplify right side
    27,551.52x = 323,597,280.94
  5. Step 5: Solve for x
    x = 323,597,280.94/27,551.52
  6. Step 6: Final answer
    x = 11,745.17

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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.