Home / 25,200.27-34,775.87-15,774.03

Finding the Fourth Proportional to 25,200.27, 34,775.87 and 15,774.03

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Solution

The fourth proportional to 25,200.27, 34,775.87 and 15,774.03 is: 21,767.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,200.27 : 34,775.87 = 15,774.03 : x
  2. Step 2: Convert to fraction form
    25,200.27/34,775.87 = 15,774.03/x
  3. Step 3: Cross multiply
    25,200.27x = 34,775.87 × 15,774.03
  4. Step 4: Simplify right side
    25,200.27x = 548,555,537.79
  5. Step 5: Solve for x
    x = 548,555,537.79/25,200.27
  6. Step 6: Final answer
    x = 21,767.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.