Home / 26,431.73-39,569.80-17,644.85

Finding the Fourth Proportional to 26,431.73, 39,569.80 and 17,644.85

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Solution

The fourth proportional to 26,431.73, 39,569.80 and 17,644.85 is: 26,415.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,431.73 : 39,569.80 = 17,644.85 : x
  2. Step 2: Convert to fraction form
    26,431.73/39,569.80 = 17,644.85/x
  3. Step 3: Cross multiply
    26,431.73x = 39,569.80 × 17,644.85
  4. Step 4: Simplify right side
    26,431.73x = 698,203,185.53
  5. Step 5: Solve for x
    x = 698,203,185.53/26,431.73
  6. Step 6: Final answer
    x = 26,415.34

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1.5x scale

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.