Home / 27,881.51-41,811.70-11,235.88

Finding the Fourth Proportional to 27,881.51, 41,811.70 and 11,235.88

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Solution

The fourth proportional to 27,881.51, 41,811.70 and 11,235.88 is: 16,849.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,881.51 : 41,811.70 = 11,235.88 : x
  2. Step 2: Convert to fraction form
    27,881.51/41,811.70 = 11,235.88/x
  3. Step 3: Cross multiply
    27,881.51x = 41,811.70 × 11,235.88
  4. Step 4: Simplify right side
    27,881.51x = 469,791,243.80
  5. Step 5: Solve for x
    x = 469,791,243.80/27,881.51
  6. Step 6: Final answer
    x = 16,849.56

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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.