Home / 31,627.32-43,545.78-27,847.86

Finding the Fourth Proportional to 31,627.32, 43,545.78 and 27,847.86

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Solution

The fourth proportional to 31,627.32, 43,545.78 and 27,847.86 is: 38,342.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,627.32 : 43,545.78 = 27,847.86 : x
  2. Step 2: Convert to fraction form
    31,627.32/43,545.78 = 27,847.86/x
  3. Step 3: Cross multiply
    31,627.32x = 43,545.78 × 27,847.86
  4. Step 4: Simplify right side
    31,627.32x = 1,212,656,785.03
  5. Step 5: Solve for x
    x = 1,212,656,785.03/31,627.32
  6. Step 6: Final answer
    x = 38,342.07

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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.