Home / 26,166.40-39,249.60-25,129.60

Finding the Fourth Proportional to 26,166.40, 39,249.60 and 25,129.60

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Solution

The fourth proportional to 26,166.40, 39,249.60 and 25,129.60 is: 37,694.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,166.40 : 39,249.60 = 25,129.60 : x
  2. Step 2: Convert to fraction form
    26,166.40/39,249.60 = 25,129.60/x
  3. Step 3: Cross multiply
    26,166.40x = 39,249.60 × 25,129.60
  4. Step 4: Simplify right side
    26,166.40x = 986,326,748.16
  5. Step 5: Solve for x
    x = 986,326,748.16/26,166.40
  6. Step 6: Final answer
    x = 37,694.40

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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.