Home / 26,786.60-40,115.10-25,620.20

Finding the Fourth Proportional to 26,786.60, 40,115.10 and 25,620.20

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Solution

The fourth proportional to 26,786.60, 40,115.10 and 25,620.20 is: 38,368.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,786.60 : 40,115.10 = 25,620.20 : x
  2. Step 2: Convert to fraction form
    26,786.60/40,115.10 = 25,620.20/x
  3. Step 3: Cross multiply
    26,786.60x = 40,115.10 × 25,620.20
  4. Step 4: Simplify right side
    26,786.60x = 1,027,756,885.02
  5. Step 5: Solve for x
    x = 1,027,756,885.02/26,786.60
  6. Step 6: Final answer
    x = 38,368.32

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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.