Home / 21,052.62-31,575.69-7,201.62

Finding the Fourth Proportional to 21,052.62, 31,575.69 and 7,201.62

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Solution

The fourth proportional to 21,052.62, 31,575.69 and 7,201.62 is: 10,801.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,052.62 : 31,575.69 = 7,201.62 : x
  2. Step 2: Convert to fraction form
    21,052.62/31,575.69 = 7,201.62/x
  3. Step 3: Cross multiply
    21,052.62x = 31,575.69 × 7,201.62
  4. Step 4: Simplify right side
    21,052.62x = 227,396,120.62
  5. Step 5: Solve for x
    x = 227,396,120.62/21,052.62
  6. Step 6: Final answer
    x = 10,801.32

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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.