Home / 25,408.48-38,106.54-10,609.36

Finding the Fourth Proportional to 25,408.48, 38,106.54 and 10,609.36

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Solution

The fourth proportional to 25,408.48, 38,106.54 and 10,609.36 is: 15,911.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,408.48 : 38,106.54 = 10,609.36 : x
  2. Step 2: Convert to fraction form
    25,408.48/38,106.54 = 10,609.36/x
  3. Step 3: Cross multiply
    25,408.48x = 38,106.54 × 10,609.36
  4. Step 4: Simplify right side
    25,408.48x = 404,286,001.21
  5. Step 5: Solve for x
    x = 404,286,001.21/25,408.48
  6. Step 6: Final answer
    x = 15,911.46

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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.