Home / 39,910.86-59,865.93-15,286.86

Finding the Fourth Proportional to 39,910.86, 59,865.93 and 15,286.86

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Solution

The fourth proportional to 39,910.86, 59,865.93 and 15,286.86 is: 22,930.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,910.86 : 59,865.93 = 15,286.86 : x
  2. Step 2: Convert to fraction form
    39,910.86/59,865.93 = 15,286.86/x
  3. Step 3: Cross multiply
    39,910.86x = 59,865.93 × 15,286.86
  4. Step 4: Simplify right side
    39,910.86x = 915,162,090.68
  5. Step 5: Solve for x
    x = 915,162,090.68/39,910.86
  6. Step 6: Final answer
    x = 22,930.15

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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.