Home / 26,645.25-39,979.23-10,002.87

Finding the Fourth Proportional to 26,645.25, 39,979.23 and 10,002.87

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Solution

The fourth proportional to 26,645.25, 39,979.23 and 10,002.87 is: 15,008.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,645.25 : 39,979.23 = 10,002.87 : x
  2. Step 2: Convert to fraction form
    26,645.25/39,979.23 = 10,002.87/x
  3. Step 3: Cross multiply
    26,645.25x = 39,979.23 × 10,002.87
  4. Step 4: Simplify right side
    26,645.25x = 399,907,040.39
  5. Step 5: Solve for x
    x = 399,907,040.39/26,645.25
  6. Step 6: Final answer
    x = 15,008.57

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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.