Home / 26,487.95-39,737.39-7,768.58

Finding the Fourth Proportional to 26,487.95, 39,737.39 and 7,768.58

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Solution

The fourth proportional to 26,487.95, 39,737.39 and 7,768.58 is: 11,654.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,487.95 : 39,737.39 = 7,768.58 : x
  2. Step 2: Convert to fraction form
    26,487.95/39,737.39 = 7,768.58/x
  3. Step 3: Cross multiply
    26,487.95x = 39,737.39 × 7,768.58
  4. Step 4: Simplify right side
    26,487.95x = 308,702,855.68
  5. Step 5: Solve for x
    x = 308,702,855.68/26,487.95
  6. Step 6: Final answer
    x = 11,654.47

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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.