Home / 27,631.83-41,441.76-7,905.09

Finding the Fourth Proportional to 27,631.83, 41,441.76 and 7,905.09

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Solution

The fourth proportional to 27,631.83, 41,441.76 and 7,905.09 is: 11,855.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,631.83 : 41,441.76 = 7,905.09 : x
  2. Step 2: Convert to fraction form
    27,631.83/41,441.76 = 7,905.09/x
  3. Step 3: Cross multiply
    27,631.83x = 41,441.76 × 7,905.09
  4. Step 4: Simplify right side
    27,631.83x = 327,600,842.56
  5. Step 5: Solve for x
    x = 327,600,842.56/27,631.83
  6. Step 6: Final answer
    x = 11,855.92

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1.5x scale

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.