Home / 26,719.76-40,090.20-8,253.20

Finding the Fourth Proportional to 26,719.76, 40,090.20 and 8,253.20

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Solution

The fourth proportional to 26,719.76, 40,090.20 and 8,253.20 is: 12,383.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,719.76 : 40,090.20 = 8,253.20 : x
  2. Step 2: Convert to fraction form
    26,719.76/40,090.20 = 8,253.20/x
  3. Step 3: Cross multiply
    26,719.76x = 40,090.20 × 8,253.20
  4. Step 4: Simplify right side
    26,719.76x = 330,872,438.64
  5. Step 5: Solve for x
    x = 330,872,438.64/26,719.76
  6. Step 6: Final answer
    x = 12,383.06

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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.