Home / 26,203.66-39,293.46-8,431.06

Finding the Fourth Proportional to 26,203.66, 39,293.46 and 8,431.06

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Solution

The fourth proportional to 26,203.66, 39,293.46 and 8,431.06 is: 12,642.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,203.66 : 39,293.46 = 8,431.06 : x
  2. Step 2: Convert to fraction form
    26,203.66/39,293.46 = 8,431.06/x
  3. Step 3: Cross multiply
    26,203.66x = 39,293.46 × 8,431.06
  4. Step 4: Simplify right side
    26,203.66x = 331,285,518.87
  5. Step 5: Solve for x
    x = 331,285,518.87/26,203.66
  6. Step 6: Final answer
    x = 12,642.72

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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.