Home / 25,939.20-35,792.64-15,324.48

Finding the Fourth Proportional to 25,939.20, 35,792.64 and 15,324.48

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Solution

The fourth proportional to 25,939.20, 35,792.64 and 15,324.48 is: 21,145.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,939.20 : 35,792.64 = 15,324.48 : x
  2. Step 2: Convert to fraction form
    25,939.20/35,792.64 = 15,324.48/x
  3. Step 3: Cross multiply
    25,939.20x = 35,792.64 × 15,324.48
  4. Step 4: Simplify right side
    25,939.20x = 548,503,595.83
  5. Step 5: Solve for x
    x = 548,503,595.83/25,939.20
  6. Step 6: Final answer
    x = 21,145.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.