Home / 29,126.96-40,183.80-17,929.52

Finding the Fourth Proportional to 29,126.96, 40,183.80 and 17,929.52

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Solution

The fourth proportional to 29,126.96, 40,183.80 and 17,929.52 is: 24,735.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,126.96 : 40,183.80 = 17,929.52 : x
  2. Step 2: Convert to fraction form
    29,126.96/40,183.80 = 17,929.52/x
  3. Step 3: Cross multiply
    29,126.96x = 40,183.80 × 17,929.52
  4. Step 4: Simplify right side
    29,126.96x = 720,476,245.78
  5. Step 5: Solve for x
    x = 720,476,245.78/29,126.96
  6. Step 6: Final answer
    x = 24,735.72

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1.5x scale

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.