Home / 28,892.78-43,296.53-13,102.64

Finding the Fourth Proportional to 28,892.78, 43,296.53 and 13,102.64

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Solution

The fourth proportional to 28,892.78, 43,296.53 and 13,102.64 is: 19,634.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,892.78 : 43,296.53 = 13,102.64 : x
  2. Step 2: Convert to fraction form
    28,892.78/43,296.53 = 13,102.64/x
  3. Step 3: Cross multiply
    28,892.78x = 43,296.53 × 13,102.64
  4. Step 4: Simplify right side
    28,892.78x = 567,298,563.84
  5. Step 5: Solve for x
    x = 567,298,563.84/28,892.78
  6. Step 6: Final answer
    x = 19,634.62

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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.