Home / 43,824.88-60,453.84-28,720

Finding the Fourth Proportional to 43,824.88, 60,453.84 and 28,720

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Solution

The fourth proportional to 43,824.88, 60,453.84 and 28,720 is: 39,617.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,824.88 : 60,453.84 = 28,720 : x
  2. Step 2: Convert to fraction form
    43,824.88/60,453.84 = 28,720/x
  3. Step 3: Cross multiply
    43,824.88x = 60,453.84 × 28,720
  4. Step 4: Simplify right side
    43,824.88x = 1,736,234,284.80
  5. Step 5: Solve for x
    x = 1,736,234,284.80/43,824.88
  6. Step 6: Final answer
    x = 39,617.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.