Home / 26,171.62-39,253.56-8,641.60

Finding the Fourth Proportional to 26,171.62, 39,253.56 and 8,641.60

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Solution

The fourth proportional to 26,171.62, 39,253.56 and 8,641.60 is: 12,961.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,171.62 : 39,253.56 = 8,641.60 : x
  2. Step 2: Convert to fraction form
    26,171.62/39,253.56 = 8,641.60/x
  3. Step 3: Cross multiply
    26,171.62x = 39,253.56 × 8,641.60
  4. Step 4: Simplify right side
    26,171.62x = 339,213,564.10
  5. Step 5: Solve for x
    x = 339,213,564.10/26,171.62
  6. Step 6: Final answer
    x = 12,961.12

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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.