Home / 43,890.35-65,819.96-15,802.88

Finding the Fourth Proportional to 43,890.35, 65,819.96 and 15,802.88

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Solution

The fourth proportional to 43,890.35, 65,819.96 and 15,802.88 is: 23,698.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,890.35 : 65,819.96 = 15,802.88 : x
  2. Step 2: Convert to fraction form
    43,890.35/65,819.96 = 15,802.88/x
  3. Step 3: Cross multiply
    43,890.35x = 65,819.96 × 15,802.88
  4. Step 4: Simplify right side
    43,890.35x = 1,040,144,521.37
  5. Step 5: Solve for x
    x = 1,040,144,521.37/43,890.35
  6. Step 6: Final answer
    x = 23,698.71

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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.