Home / 26,138.88-39,208.50-6,417.60

Finding the Fourth Proportional to 26,138.88, 39,208.50 and 6,417.60

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Solution

The fourth proportional to 26,138.88, 39,208.50 and 6,417.60 is: 9,626.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,138.88 : 39,208.50 = 6,417.60 : x
  2. Step 2: Convert to fraction form
    26,138.88/39,208.50 = 6,417.60/x
  3. Step 3: Cross multiply
    26,138.88x = 39,208.50 × 6,417.60
  4. Step 4: Simplify right side
    26,138.88x = 251,624,469.60
  5. Step 5: Solve for x
    x = 251,624,469.60/26,138.88
  6. Step 6: Final answer
    x = 9,626.44

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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.