Home / 26,933.88-40,345.74-21,954

Finding the Fourth Proportional to 26,933.88, 40,345.74 and 21,954

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Solution

The fourth proportional to 26,933.88, 40,345.74 and 21,954 is: 32,886.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,933.88 : 40,345.74 = 21,954 : x
  2. Step 2: Convert to fraction form
    26,933.88/40,345.74 = 21,954/x
  3. Step 3: Cross multiply
    26,933.88x = 40,345.74 × 21,954
  4. Step 4: Simplify right side
    26,933.88x = 885,750,375.96
  5. Step 5: Solve for x
    x = 885,750,375.96/26,933.88
  6. Step 6: Final answer
    x = 32,886.10

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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.