Home / 25,556.57-38,351.25-12,401.76

Finding the Fourth Proportional to 25,556.57, 38,351.25 and 12,401.76

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Solution

The fourth proportional to 25,556.57, 38,351.25 and 12,401.76 is: 18,610.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,556.57 : 38,351.25 = 12,401.76 : x
  2. Step 2: Convert to fraction form
    25,556.57/38,351.25 = 12,401.76/x
  3. Step 3: Cross multiply
    25,556.57x = 38,351.25 × 12,401.76
  4. Step 4: Simplify right side
    25,556.57x = 475,622,967.20
  5. Step 5: Solve for x
    x = 475,622,967.20/25,556.57
  6. Step 6: Final answer
    x = 18,610.60

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1.5x scale

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.