Home / 25,388.88-38,091.11-11,360.72

Finding the Fourth Proportional to 25,388.88, 38,091.11 and 11,360.72

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Solution

The fourth proportional to 25,388.88, 38,091.11 and 11,360.72 is: 17,044.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,388.88 : 38,091.11 = 11,360.72 : x
  2. Step 2: Convert to fraction form
    25,388.88/38,091.11 = 11,360.72/x
  3. Step 3: Cross multiply
    25,388.88x = 38,091.11 × 11,360.72
  4. Step 4: Simplify right side
    25,388.88x = 432,742,187.94
  5. Step 5: Solve for x
    x = 432,742,187.94/25,388.88
  6. Step 6: Final answer
    x = 17,044.56

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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.