Home / 43,872.14-65,800.77-15,786.47

Finding the Fourth Proportional to 43,872.14, 65,800.77 and 15,786.47

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Solution

The fourth proportional to 43,872.14, 65,800.77 and 15,786.47 is: 23,677.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,872.14 : 65,800.77 = 15,786.47 : x
  2. Step 2: Convert to fraction form
    43,872.14/65,800.77 = 15,786.47/x
  3. Step 3: Cross multiply
    43,872.14x = 65,800.77 × 15,786.47
  4. Step 4: Simplify right side
    43,872.14x = 1,038,761,552.58
  5. Step 5: Solve for x
    x = 1,038,761,552.58/43,872.14
  6. Step 6: Final answer
    x = 23,677.02

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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.