Home / 27,507.89-41,263.42-7,784.79

Finding the Fourth Proportional to 27,507.89, 41,263.42 and 7,784.79

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Solution

The fourth proportional to 27,507.89, 41,263.42 and 7,784.79 is: 11,677.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,507.89 : 41,263.42 = 7,784.79 : x
  2. Step 2: Convert to fraction form
    27,507.89/41,263.42 = 7,784.79/x
  3. Step 3: Cross multiply
    27,507.89x = 41,263.42 × 7,784.79
  4. Step 4: Simplify right side
    27,507.89x = 321,227,059.38
  5. Step 5: Solve for x
    x = 321,227,059.38/27,507.89
  6. Step 6: Final answer
    x = 11,677.63

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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.