Home / 27,811.56-41,688.18-13,008

Finding the Fourth Proportional to 27,811.56, 41,688.18 and 13,008

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Solution

The fourth proportional to 27,811.56, 41,688.18 and 13,008 is: 19,498.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,811.56 : 41,688.18 = 13,008 : x
  2. Step 2: Convert to fraction form
    27,811.56/41,688.18 = 13,008/x
  3. Step 3: Cross multiply
    27,811.56x = 41,688.18 × 13,008
  4. Step 4: Simplify right side
    27,811.56x = 542,279,845.44
  5. Step 5: Solve for x
    x = 542,279,845.44/27,811.56
  6. Step 6: Final answer
    x = 19,498.36

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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.