Home / 15,892.22-22,031.70-15,049.64

Finding the Fourth Proportional to 15,892.22, 22,031.70 and 15,049.64

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Solution

The fourth proportional to 15,892.22, 22,031.70 and 15,049.64 is: 20,863.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,892.22 : 22,031.70 = 15,049.64 : x
  2. Step 2: Convert to fraction form
    15,892.22/22,031.70 = 15,049.64/x
  3. Step 3: Cross multiply
    15,892.22x = 22,031.70 × 15,049.64
  4. Step 4: Simplify right side
    15,892.22x = 331,569,043.43
  5. Step 5: Solve for x
    x = 331,569,043.43/15,892.22
  6. Step 6: Final answer
    x = 20,863.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.