Home / 20,146.88-27,819.51-16,807.22

Finding the Fourth Proportional to 20,146.88, 27,819.51 and 16,807.22

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Solution

The fourth proportional to 20,146.88, 27,819.51 and 16,807.22 is: 23,207.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,146.88 : 27,819.51 = 16,807.22 : x
  2. Step 2: Convert to fraction form
    20,146.88/27,819.51 = 16,807.22/x
  3. Step 3: Cross multiply
    20,146.88x = 27,819.51 × 16,807.22
  4. Step 4: Simplify right side
    20,146.88x = 467,568,624.86
  5. Step 5: Solve for x
    x = 467,568,624.86/20,146.88
  6. Step 6: Final answer
    x = 23,207.99

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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.