Home / 26,380.37-36,405.12-15,625.83

Finding the Fourth Proportional to 26,380.37, 36,405.12 and 15,625.83

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Solution

The fourth proportional to 26,380.37, 36,405.12 and 15,625.83 is: 21,563.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,380.37 : 36,405.12 = 15,625.83 : x
  2. Step 2: Convert to fraction form
    26,380.37/36,405.12 = 15,625.83/x
  3. Step 3: Cross multiply
    26,380.37x = 36,405.12 × 15,625.83
  4. Step 4: Simplify right side
    26,380.37x = 568,860,216.25
  5. Step 5: Solve for x
    x = 568,860,216.25/26,380.37
  6. Step 6: Final answer
    x = 21,563.77

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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.