Home / 26,918-40,414.12-18,578.24

Finding the Fourth Proportional to 26,918, 40,414.12 and 18,578.24

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Solution

The fourth proportional to 26,918, 40,414.12 and 18,578.24 is: 27,892.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,918 : 40,414.12 = 18,578.24 : x
  2. Step 2: Convert to fraction form
    26,918/40,414.12 = 18,578.24/x
  3. Step 3: Cross multiply
    26,918x = 40,414.12 × 18,578.24
  4. Step 4: Simplify right side
    26,918x = 750,823,220.75
  5. Step 5: Solve for x
    x = 750,823,220.75/26,918
  6. Step 6: Final answer
    x = 27,892.98

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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.