Home / 26,889.74-40,299.57-13,731.02

Finding the Fourth Proportional to 26,889.74, 40,299.57 and 13,731.02

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Solution

The fourth proportional to 26,889.74, 40,299.57 and 13,731.02 is: 20,578.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,889.74 : 40,299.57 = 13,731.02 : x
  2. Step 2: Convert to fraction form
    26,889.74/40,299.57 = 13,731.02/x
  3. Step 3: Cross multiply
    26,889.74x = 40,299.57 × 13,731.02
  4. Step 4: Simplify right side
    26,889.74x = 553,354,201.66
  5. Step 5: Solve for x
    x = 553,354,201.66/26,889.74
  6. Step 6: Final answer
    x = 20,578.64

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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.