Home / 25,708.36-38,556.78-7,241.80

Finding the Fourth Proportional to 25,708.36, 38,556.78 and 7,241.80

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Solution

The fourth proportional to 25,708.36, 38,556.78 and 7,241.80 is: 10,861.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,708.36 : 38,556.78 = 7,241.80 : x
  2. Step 2: Convert to fraction form
    25,708.36/38,556.78 = 7,241.80/x
  3. Step 3: Cross multiply
    25,708.36x = 38,556.78 × 7,241.80
  4. Step 4: Simplify right side
    25,708.36x = 279,220,489.40
  5. Step 5: Solve for x
    x = 279,220,489.40/25,708.36
  6. Step 6: Final answer
    x = 10,861.08

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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.