Home / 28,910.32-43,438.56-27,743.92

Finding the Fourth Proportional to 28,910.32, 43,438.56 and 27,743.92

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Solution

The fourth proportional to 28,910.32, 43,438.56 and 27,743.92 is: 41,686.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,910.32 : 43,438.56 = 27,743.92 : x
  2. Step 2: Convert to fraction form
    28,910.32/43,438.56 = 27,743.92/x
  3. Step 3: Cross multiply
    28,910.32x = 43,438.56 × 27,743.92
  4. Step 4: Simplify right side
    28,910.32x = 1,205,155,933.56
  5. Step 5: Solve for x
    x = 1,205,155,933.56/28,910.32
  6. Step 6: Final answer
    x = 41,686.01

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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.