Home / 26,690.33-40,021.90-8,914.59

Finding the Fourth Proportional to 26,690.33, 40,021.90 and 8,914.59

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Solution

The fourth proportional to 26,690.33, 40,021.90 and 8,914.59 is: 13,367.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,690.33 : 40,021.90 = 8,914.59 : x
  2. Step 2: Convert to fraction form
    26,690.33/40,021.90 = 8,914.59/x
  3. Step 3: Cross multiply
    26,690.33x = 40,021.90 × 8,914.59
  4. Step 4: Simplify right side
    26,690.33x = 356,778,807.23
  5. Step 5: Solve for x
    x = 356,778,807.23/26,690.33
  6. Step 6: Final answer
    x = 13,367.34

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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.