Home / 26,085.69-39,135.80-8,567.82

Finding the Fourth Proportional to 26,085.69, 39,135.80 and 8,567.82

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Solution

The fourth proportional to 26,085.69, 39,135.80 and 8,567.82 is: 12,854.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,085.69 : 39,135.80 = 8,567.82 : x
  2. Step 2: Convert to fraction form
    26,085.69/39,135.80 = 8,567.82/x
  3. Step 3: Cross multiply
    26,085.69x = 39,135.80 × 8,567.82
  4. Step 4: Simplify right side
    26,085.69x = 335,308,447.12
  5. Step 5: Solve for x
    x = 335,308,447.12/26,085.69
  6. Step 6: Final answer
    x = 12,854.11

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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.