Home / 26,918.22-40,351.10-12,874.58

Finding the Fourth Proportional to 26,918.22, 40,351.10 and 12,874.58

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Solution

The fourth proportional to 26,918.22, 40,351.10 and 12,874.58 is: 19,299.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,918.22 : 40,351.10 = 12,874.58 : x
  2. Step 2: Convert to fraction form
    26,918.22/40,351.10 = 12,874.58/x
  3. Step 3: Cross multiply
    26,918.22x = 40,351.10 × 12,874.58
  4. Step 4: Simplify right side
    26,918.22x = 519,503,465.04
  5. Step 5: Solve for x
    x = 519,503,465.04/26,918.22
  6. Step 6: Final answer
    x = 19,299.32

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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.