Home / 19,743.35-27,228.17-16,380.83

Finding the Fourth Proportional to 19,743.35, 27,228.17 and 16,380.83

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Solution

The fourth proportional to 19,743.35, 27,228.17 and 16,380.83 is: 22,590.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,743.35 : 27,228.17 = 16,380.83 : x
  2. Step 2: Convert to fraction form
    19,743.35/27,228.17 = 16,380.83/x
  3. Step 3: Cross multiply
    19,743.35x = 27,228.17 × 16,380.83
  4. Step 4: Simplify right side
    19,743.35x = 446,020,133.00
  5. Step 5: Solve for x
    x = 446,020,133.00/19,743.35
  6. Step 6: Final answer
    x = 22,590.91

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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.