Home / 25,180.40-37,738.20-15,309.20

Finding the Fourth Proportional to 25,180.40, 37,738.20 and 15,309.20

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Solution

The fourth proportional to 25,180.40, 37,738.20 and 15,309.20 is: 22,944.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,180.40 : 37,738.20 = 15,309.20 : x
  2. Step 2: Convert to fraction form
    25,180.40/37,738.20 = 15,309.20/x
  3. Step 3: Cross multiply
    25,180.40x = 37,738.20 × 15,309.20
  4. Step 4: Simplify right side
    25,180.40x = 577,741,651.44
  5. Step 5: Solve for x
    x = 577,741,651.44/25,180.40
  6. Step 6: Final answer
    x = 22,944.10

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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.