Home / 43,890.16-65,819.68-15,802.68

Finding the Fourth Proportional to 43,890.16, 65,819.68 and 15,802.68

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Solution

The fourth proportional to 43,890.16, 65,819.68 and 15,802.68 is: 23,698.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,890.16 : 65,819.68 = 15,802.68 : x
  2. Step 2: Convert to fraction form
    43,890.16/65,819.68 = 15,802.68/x
  3. Step 3: Cross multiply
    43,890.16x = 65,819.68 × 15,802.68
  4. Step 4: Simplify right side
    43,890.16x = 1,040,127,340.74
  5. Step 5: Solve for x
    x = 1,040,127,340.74/43,890.16
  6. Step 6: Final answer
    x = 23,698.42

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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.