Home / 21,028.44-31,539.62-6,795.02

Finding the Fourth Proportional to 21,028.44, 31,539.62 and 6,795.02

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Solution

The fourth proportional to 21,028.44, 31,539.62 and 6,795.02 is: 10,191.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,028.44 : 31,539.62 = 6,795.02 : x
  2. Step 2: Convert to fraction form
    21,028.44/31,539.62 = 6,795.02/x
  3. Step 3: Cross multiply
    21,028.44x = 31,539.62 × 6,795.02
  4. Step 4: Simplify right side
    21,028.44x = 214,312,348.69
  5. Step 5: Solve for x
    x = 214,312,348.69/21,028.44
  6. Step 6: Final answer
    x = 10,191.55

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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.