Home / 28,684.23-43,037.39-13,892.01

Finding the Fourth Proportional to 28,684.23, 43,037.39 and 13,892.01

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Solution

The fourth proportional to 28,684.23, 43,037.39 and 13,892.01 is: 20,843.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,684.23 : 43,037.39 = 13,892.01 : x
  2. Step 2: Convert to fraction form
    28,684.23/43,037.39 = 13,892.01/x
  3. Step 3: Cross multiply
    28,684.23x = 43,037.39 × 13,892.01
  4. Step 4: Simplify right side
    28,684.23x = 597,875,782.79
  5. Step 5: Solve for x
    x = 597,875,782.79/28,684.23
  6. Step 6: Final answer
    x = 20,843.36

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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.