Home / 26,518.34-39,711.81-19,481.60

Finding the Fourth Proportional to 26,518.34, 39,711.81 and 19,481.60

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Solution

The fourth proportional to 26,518.34, 39,711.81 and 19,481.60 is: 29,174.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,518.34 : 39,711.81 = 19,481.60 : x
  2. Step 2: Convert to fraction form
    26,518.34/39,711.81 = 19,481.60/x
  3. Step 3: Cross multiply
    26,518.34x = 39,711.81 × 19,481.60
  4. Step 4: Simplify right side
    26,518.34x = 773,649,597.70
  5. Step 5: Solve for x
    x = 773,649,597.70/26,518.34
  6. Step 6: Final answer
    x = 29,174.13

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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.