Home / 28,684.36-43,037.57-13,892.14

Finding the Fourth Proportional to 28,684.36, 43,037.57 and 13,892.14

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Solution

The fourth proportional to 28,684.36, 43,037.57 and 13,892.14 is: 20,843.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,684.36 : 43,037.57 = 13,892.14 : x
  2. Step 2: Convert to fraction form
    28,684.36/43,037.57 = 13,892.14/x
  3. Step 3: Cross multiply
    28,684.36x = 43,037.57 × 13,892.14
  4. Step 4: Simplify right side
    28,684.36x = 597,883,947.70
  5. Step 5: Solve for x
    x = 597,883,947.70/28,684.36
  6. Step 6: Final answer
    x = 20,843.55

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1.5x scale

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.