Home / 26,605.00-39,880.55-17,250.95

Finding the Fourth Proportional to 26,605.00, 39,880.55 and 17,250.95

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Solution

The fourth proportional to 26,605.00, 39,880.55 and 17,250.95 is: 25,858.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,605.00 : 39,880.55 = 17,250.95 : x
  2. Step 2: Convert to fraction form
    26,605.00/39,880.55 = 17,250.95/x
  3. Step 3: Cross multiply
    26,605.00x = 39,880.55 × 17,250.95
  4. Step 4: Simplify right side
    26,605.00x = 687,977,516.85
  5. Step 5: Solve for x
    x = 687,977,516.85/26,605.00
  6. Step 6: Final answer
    x = 25,858.95

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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.