Home / 25,808.58-38,661.03-21,842.82

Finding the Fourth Proportional to 25,808.58, 38,661.03 and 21,842.82

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Solution

The fourth proportional to 25,808.58, 38,661.03 and 21,842.82 is: 32,720.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,808.58 : 38,661.03 = 21,842.82 : x
  2. Step 2: Convert to fraction form
    25,808.58/38,661.03 = 21,842.82/x
  3. Step 3: Cross multiply
    25,808.58x = 38,661.03 × 21,842.82
  4. Step 4: Simplify right side
    25,808.58x = 844,465,919.30
  5. Step 5: Solve for x
    x = 844,465,919.30/25,808.58
  6. Step 6: Final answer
    x = 32,720.36

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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.