Home / 20,193.29-27,857.16-14,228.24

Finding the Fourth Proportional to 20,193.29, 27,857.16 and 14,228.24

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Solution

The fourth proportional to 20,193.29, 27,857.16 and 14,228.24 is: 19,628.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,193.29 : 27,857.16 = 14,228.24 : x
  2. Step 2: Convert to fraction form
    20,193.29/27,857.16 = 14,228.24/x
  3. Step 3: Cross multiply
    20,193.29x = 27,857.16 × 14,228.24
  4. Step 4: Simplify right side
    20,193.29x = 396,358,218.91
  5. Step 5: Solve for x
    x = 396,358,218.91/20,193.29
  6. Step 6: Final answer
    x = 19,628.22

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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.