Home / 40,212.76-60,309.96-15,255.58

Finding the Fourth Proportional to 40,212.76, 60,309.96 and 15,255.58

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Solution

The fourth proportional to 40,212.76, 60,309.96 and 15,255.58 is: 22,879.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,212.76 : 60,309.96 = 15,255.58 : x
  2. Step 2: Convert to fraction form
    40,212.76/60,309.96 = 15,255.58/x
  3. Step 3: Cross multiply
    40,212.76x = 60,309.96 × 15,255.58
  4. Step 4: Simplify right side
    40,212.76x = 920,063,419.58
  5. Step 5: Solve for x
    x = 920,063,419.58/40,212.76
  6. Step 6: Final answer
    x = 22,879.89

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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.