Home / 26,910.18-40,371.75-8,442.18

Finding the Fourth Proportional to 26,910.18, 40,371.75 and 8,442.18

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Solution

The fourth proportional to 26,910.18, 40,371.75 and 8,442.18 is: 12,665.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,910.18 : 40,371.75 = 8,442.18 : x
  2. Step 2: Convert to fraction form
    26,910.18/40,371.75 = 8,442.18/x
  3. Step 3: Cross multiply
    26,910.18x = 40,371.75 × 8,442.18
  4. Step 4: Simplify right side
    26,910.18x = 340,825,580.42
  5. Step 5: Solve for x
    x = 340,825,580.42/26,910.18
  6. Step 6: Final answer
    x = 12,665.30

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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.