Home / 29,919.78-41,287.60-16,491

Finding the Fourth Proportional to 29,919.78, 41,287.60 and 16,491

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Solution

The fourth proportional to 29,919.78, 41,287.60 and 16,491 is: 22,756.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,919.78 : 41,287.60 = 16,491 : x
  2. Step 2: Convert to fraction form
    29,919.78/41,287.60 = 16,491/x
  3. Step 3: Cross multiply
    29,919.78x = 41,287.60 × 16,491
  4. Step 4: Simplify right side
    29,919.78x = 680,873,811.60
  5. Step 5: Solve for x
    x = 680,873,811.60/29,919.78
  6. Step 6: Final answer
    x = 22,756.64

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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.