Home / 26,890.43-40,353.12-10,250.60

Finding the Fourth Proportional to 26,890.43, 40,353.12 and 10,250.60

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Solution

The fourth proportional to 26,890.43, 40,353.12 and 10,250.60 is: 15,382.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,890.43 : 40,353.12 = 10,250.60 : x
  2. Step 2: Convert to fraction form
    26,890.43/40,353.12 = 10,250.60/x
  3. Step 3: Cross multiply
    26,890.43x = 40,353.12 × 10,250.60
  4. Step 4: Simplify right side
    26,890.43x = 413,643,490.11
  5. Step 5: Solve for x
    x = 413,643,490.11/26,890.43
  6. Step 6: Final answer
    x = 15,382.56

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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.