Home / 31,433.14-43,447.08-27,627.76

Finding the Fourth Proportional to 31,433.14, 43,447.08 and 27,627.76

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Solution

The fourth proportional to 31,433.14, 43,447.08 and 27,627.76 is: 38,187.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,433.14 : 43,447.08 = 27,627.76 : x
  2. Step 2: Convert to fraction form
    31,433.14/43,447.08 = 27,627.76/x
  3. Step 3: Cross multiply
    31,433.14x = 43,447.08 × 27,627.76
  4. Step 4: Simplify right side
    31,433.14x = 1,200,345,498.94
  5. Step 5: Solve for x
    x = 1,200,345,498.94/31,433.14
  6. Step 6: Final answer
    x = 38,187.26

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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.