Home / 19,941.10-29,956.20-16,660.60

Finding the Fourth Proportional to 19,941.10, 29,956.20 and 16,660.60

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Solution

The fourth proportional to 19,941.10, 29,956.20 and 16,660.60 is: 25,028.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,941.10 : 29,956.20 = 16,660.60 : x
  2. Step 2: Convert to fraction form
    19,941.10/29,956.20 = 16,660.60/x
  3. Step 3: Cross multiply
    19,941.10x = 29,956.20 × 16,660.60
  4. Step 4: Simplify right side
    19,941.10x = 499,088,265.72
  5. Step 5: Solve for x
    x = 499,088,265.72/19,941.10
  6. Step 6: Final answer
    x = 25,028.12

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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.