Home / 31,799.88-43,858.78-28,169.81

Finding the Fourth Proportional to 31,799.88, 43,858.78 and 28,169.81

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Solution

The fourth proportional to 31,799.88, 43,858.78 and 28,169.81 is: 38,852.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,799.88 : 43,858.78 = 28,169.81 : x
  2. Step 2: Convert to fraction form
    31,799.88/43,858.78 = 28,169.81/x
  3. Step 3: Cross multiply
    31,799.88x = 43,858.78 × 28,169.81
  4. Step 4: Simplify right side
    31,799.88x = 1,235,493,499.43
  5. Step 5: Solve for x
    x = 1,235,493,499.43/31,799.88
  6. Step 6: Final answer
    x = 38,852.14

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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.