Home / 26,435.50-39,651.39-12,398.60

Finding the Fourth Proportional to 26,435.50, 39,651.39 and 12,398.60

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Solution

The fourth proportional to 26,435.50, 39,651.39 and 12,398.60 is: 18,597.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,435.50 : 39,651.39 = 12,398.60 : x
  2. Step 2: Convert to fraction form
    26,435.50/39,651.39 = 12,398.60/x
  3. Step 3: Cross multiply
    26,435.50x = 39,651.39 × 12,398.60
  4. Step 4: Simplify right side
    26,435.50x = 491,621,724.05
  5. Step 5: Solve for x
    x = 491,621,724.05/26,435.50
  6. Step 6: Final answer
    x = 18,597.03

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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.