Home / 25,257.10-37,908.60-12,785.80

Finding the Fourth Proportional to 25,257.10, 37,908.60 and 12,785.80

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Solution

The fourth proportional to 25,257.10, 37,908.60 and 12,785.80 is: 19,190.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,257.10 : 37,908.60 = 12,785.80 : x
  2. Step 2: Convert to fraction form
    25,257.10/37,908.60 = 12,785.80/x
  3. Step 3: Cross multiply
    25,257.10x = 37,908.60 × 12,785.80
  4. Step 4: Simplify right side
    25,257.10x = 484,691,777.88
  5. Step 5: Solve for x
    x = 484,691,777.88/25,257.10
  6. Step 6: Final answer
    x = 19,190.32

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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.