Home / 29,447.52-40,638.64-16,874.70

Finding the Fourth Proportional to 29,447.52, 40,638.64 and 16,874.70

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Solution

The fourth proportional to 29,447.52, 40,638.64 and 16,874.70 is: 23,287.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,447.52 : 40,638.64 = 16,874.70 : x
  2. Step 2: Convert to fraction form
    29,447.52/40,638.64 = 16,874.70/x
  3. Step 3: Cross multiply
    29,447.52x = 40,638.64 × 16,874.70
  4. Step 4: Simplify right side
    29,447.52x = 685,764,816.22
  5. Step 5: Solve for x
    x = 685,764,816.22/29,447.52
  6. Step 6: Final answer
    x = 23,287.69

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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.