Home / 26,913.21-40,293-21,374.43

Finding the Fourth Proportional to 26,913.21, 40,293 and 21,374.43

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Solution

The fourth proportional to 26,913.21, 40,293 and 21,374.43 is: 32,000.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,913.21 : 40,293 = 21,374.43 : x
  2. Step 2: Convert to fraction form
    26,913.21/40,293 = 21,374.43/x
  3. Step 3: Cross multiply
    26,913.21x = 40,293 × 21,374.43
  4. Step 4: Simplify right side
    26,913.21x = 861,239,907.99
  5. Step 5: Solve for x
    x = 861,239,907.99/26,913.21
  6. Step 6: Final answer
    x = 32,000.64

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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.