Home / 26,383.31-39,578.61-8,858.15

Finding the Fourth Proportional to 26,383.31, 39,578.61 and 8,858.15

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Solution

The fourth proportional to 26,383.31, 39,578.61 and 8,858.15 is: 13,288.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,383.31 : 39,578.61 = 8,858.15 : x
  2. Step 2: Convert to fraction form
    26,383.31/39,578.61 = 8,858.15/x
  3. Step 3: Cross multiply
    26,383.31x = 39,578.61 × 8,858.15
  4. Step 4: Simplify right side
    26,383.31x = 350,593,264.17
  5. Step 5: Solve for x
    x = 350,593,264.17/26,383.31
  6. Step 6: Final answer
    x = 13,288.45

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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.