Home / 25,918.22-38,888.30-15,408.34

Finding the Fourth Proportional to 25,918.22, 38,888.30 and 15,408.34

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Solution

The fourth proportional to 25,918.22, 38,888.30 and 15,408.34 is: 23,119.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,918.22 : 38,888.30 = 15,408.34 : x
  2. Step 2: Convert to fraction form
    25,918.22/38,888.30 = 15,408.34/x
  3. Step 3: Cross multiply
    25,918.22x = 38,888.30 × 15,408.34
  4. Step 4: Simplify right side
    25,918.22x = 599,204,089.72
  5. Step 5: Solve for x
    x = 599,204,089.72/25,918.22
  6. Step 6: Final answer
    x = 23,119.03

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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.