Home / 26,181.60-39,207.60-16,807.20

Finding the Fourth Proportional to 26,181.60, 39,207.60 and 16,807.20

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Solution

The fourth proportional to 26,181.60, 39,207.60 and 16,807.20 is: 25,169.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,181.60 : 39,207.60 = 16,807.20 : x
  2. Step 2: Convert to fraction form
    26,181.60/39,207.60 = 16,807.20/x
  3. Step 3: Cross multiply
    26,181.60x = 39,207.60 × 16,807.20
  4. Step 4: Simplify right side
    26,181.60x = 658,969,974.72
  5. Step 5: Solve for x
    x = 658,969,974.72/26,181.60
  6. Step 6: Final answer
    x = 25,169.20

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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.