Home / 26,737.85-36,893.31-15,405.75

Finding the Fourth Proportional to 26,737.85, 36,893.31 and 15,405.75

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Solution

The fourth proportional to 26,737.85, 36,893.31 and 15,405.75 is: 21,257.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,737.85 : 36,893.31 = 15,405.75 : x
  2. Step 2: Convert to fraction form
    26,737.85/36,893.31 = 15,405.75/x
  3. Step 3: Cross multiply
    26,737.85x = 36,893.31 × 15,405.75
  4. Step 4: Simplify right side
    26,737.85x = 568,369,110.53
  5. Step 5: Solve for x
    x = 568,369,110.53/26,737.85
  6. Step 6: Final answer
    x = 21,257.10

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1.5x scale

Why These Related Problems?

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