Home / 26,190.80-36,136.98-15,436.12

Finding the Fourth Proportional to 26,190.80, 36,136.98 and 15,436.12

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Solution

The fourth proportional to 26,190.80, 36,136.98 and 15,436.12 is: 21,298.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,190.80 : 36,136.98 = 15,436.12 : x
  2. Step 2: Convert to fraction form
    26,190.80/36,136.98 = 15,436.12/x
  3. Step 3: Cross multiply
    26,190.80x = 36,136.98 × 15,436.12
  4. Step 4: Simplify right side
    26,190.80x = 557,814,759.72
  5. Step 5: Solve for x
    x = 557,814,759.72/26,190.80
  6. Step 6: Final answer
    x = 21,298.12

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.