Home / 23,027.91-31,778.46-12,956.37

Finding the Fourth Proportional to 23,027.91, 31,778.46 and 12,956.37

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Solution

The fourth proportional to 23,027.91, 31,778.46 and 12,956.37 is: 17,879.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,027.91 : 31,778.46 = 12,956.37 : x
  2. Step 2: Convert to fraction form
    23,027.91/31,778.46 = 12,956.37/x
  3. Step 3: Cross multiply
    23,027.91x = 31,778.46 × 12,956.37
  4. Step 4: Simplify right side
    23,027.91x = 411,733,395.20
  5. Step 5: Solve for x
    x = 411,733,395.20/23,027.91
  6. Step 6: Final answer
    x = 17,879.75

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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.