Home / 26,203.95-39,293.82-8,431.30

Finding the Fourth Proportional to 26,203.95, 39,293.82 and 8,431.30

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Solution

The fourth proportional to 26,203.95, 39,293.82 and 8,431.30 is: 12,643.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,203.95 : 39,293.82 = 8,431.30 : x
  2. Step 2: Convert to fraction form
    26,203.95/39,293.82 = 8,431.30/x
  3. Step 3: Cross multiply
    26,203.95x = 39,293.82 × 8,431.30
  4. Step 4: Simplify right side
    26,203.95x = 331,297,745.94
  5. Step 5: Solve for x
    x = 331,297,745.94/26,203.95
  6. Step 6: Final answer
    x = 12,643.05

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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.