Home / 26,143.75-39,232.91-12,293.83

Finding the Fourth Proportional to 26,143.75, 39,232.91 and 12,293.83

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Solution

The fourth proportional to 26,143.75, 39,232.91 and 12,293.83 is: 18,448.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,143.75 : 39,232.91 = 12,293.83 : x
  2. Step 2: Convert to fraction form
    26,143.75/39,232.91 = 12,293.83/x
  3. Step 3: Cross multiply
    26,143.75x = 39,232.91 × 12,293.83
  4. Step 4: Simplify right side
    26,143.75x = 482,322,725.95
  5. Step 5: Solve for x
    x = 482,322,725.95/26,143.75
  6. Step 6: Final answer
    x = 18,448.87

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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.