Home / 21,827.70-32,730.75-10,133.46

Finding the Fourth Proportional to 21,827.70, 32,730.75 and 10,133.46

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Solution

The fourth proportional to 21,827.70, 32,730.75 and 10,133.46 is: 15,195.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,827.70 : 32,730.75 = 10,133.46 : x
  2. Step 2: Convert to fraction form
    21,827.70/32,730.75 = 10,133.46/x
  3. Step 3: Cross multiply
    21,827.70x = 32,730.75 × 10,133.46
  4. Step 4: Simplify right side
    21,827.70x = 331,675,745.90
  5. Step 5: Solve for x
    x = 331,675,745.90/21,827.70
  6. Step 6: Final answer
    x = 15,195.18

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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.