Home / 21,827.82-32,727.15-6,829.86

Finding the Fourth Proportional to 21,827.82, 32,727.15 and 6,829.86

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Solution

The fourth proportional to 21,827.82, 32,727.15 and 6,829.86 is: 10,240.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,827.82 : 32,727.15 = 6,829.86 : x
  2. Step 2: Convert to fraction form
    21,827.82/32,727.15 = 6,829.86/x
  3. Step 3: Cross multiply
    21,827.82x = 32,727.15 × 6,829.86
  4. Step 4: Simplify right side
    21,827.82x = 223,521,852.70
  5. Step 5: Solve for x
    x = 223,521,852.70/21,827.82
  6. Step 6: Final answer
    x = 10,240.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.