Home / 26,874.79-40,301.81-8,858.69

Finding the Fourth Proportional to 26,874.79, 40,301.81 and 8,858.69

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Solution

The fourth proportional to 26,874.79, 40,301.81 and 8,858.69 is: 13,284.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,874.79 : 40,301.81 = 8,858.69 : x
  2. Step 2: Convert to fraction form
    26,874.79/40,301.81 = 8,858.69/x
  3. Step 3: Cross multiply
    26,874.79x = 40,301.81 × 8,858.69
  4. Step 4: Simplify right side
    26,874.79x = 357,021,179.78
  5. Step 5: Solve for x
    x = 357,021,179.78/26,874.79
  6. Step 6: Final answer
    x = 13,284.61

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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.