Home / 20,192.35-27,859.08-14,227.30

Finding the Fourth Proportional to 20,192.35, 27,859.08 and 14,227.30

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Solution

The fourth proportional to 20,192.35, 27,859.08 and 14,227.30 is: 19,629.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,192.35 : 27,859.08 = 14,227.30 : x
  2. Step 2: Convert to fraction form
    20,192.35/27,859.08 = 14,227.30/x
  3. Step 3: Cross multiply
    20,192.35x = 27,859.08 × 14,227.30
  4. Step 4: Simplify right side
    20,192.35x = 396,359,488.88
  5. Step 5: Solve for x
    x = 396,359,488.88/20,192.35
  6. Step 6: Final answer
    x = 19,629.19

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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.