Home / 25,310.36-37,928.60-17,910.80

Finding the Fourth Proportional to 25,310.36, 37,928.60 and 17,910.80

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Solution

The fourth proportional to 25,310.36, 37,928.60 and 17,910.80 is: 26,840.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,310.36 : 37,928.60 = 17,910.80 : x
  2. Step 2: Convert to fraction form
    25,310.36/37,928.60 = 17,910.80/x
  3. Step 3: Cross multiply
    25,310.36x = 37,928.60 × 17,910.80
  4. Step 4: Simplify right side
    25,310.36x = 679,331,568.88
  5. Step 5: Solve for x
    x = 679,331,568.88/25,310.36
  6. Step 6: Final answer
    x = 26,840.06

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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.