Home / 27,917.12-41,881.80-9,196.40

Finding the Fourth Proportional to 27,917.12, 41,881.80 and 9,196.40

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Solution

The fourth proportional to 27,917.12, 41,881.80 and 9,196.40 is: 13,796.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,917.12 : 41,881.80 = 9,196.40 : x
  2. Step 2: Convert to fraction form
    27,917.12/41,881.80 = 9,196.40/x
  3. Step 3: Cross multiply
    27,917.12x = 41,881.80 × 9,196.40
  4. Step 4: Simplify right side
    27,917.12x = 385,161,785.52
  5. Step 5: Solve for x
    x = 385,161,785.52/27,917.12
  6. Step 6: Final answer
    x = 13,796.62

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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.