Home / 28,575.82-42,891.38-13,795.14

Finding the Fourth Proportional to 28,575.82, 42,891.38 and 13,795.14

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Solution

The fourth proportional to 28,575.82, 42,891.38 and 13,795.14 is: 20,706.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,575.82 : 42,891.38 = 13,795.14 : x
  2. Step 2: Convert to fraction form
    28,575.82/42,891.38 = 13,795.14/x
  3. Step 3: Cross multiply
    28,575.82x = 42,891.38 × 13,795.14
  4. Step 4: Simplify right side
    28,575.82x = 591,692,591.89
  5. Step 5: Solve for x
    x = 591,692,591.89/28,575.82
  6. Step 6: Final answer
    x = 20,706.06

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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.