Home / 20,468.43-28,231.30-14,097.07

Finding the Fourth Proportional to 20,468.43, 28,231.30 and 14,097.07

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Solution

The fourth proportional to 20,468.43, 28,231.30 and 14,097.07 is: 19,443.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,468.43 : 28,231.30 = 14,097.07 : x
  2. Step 2: Convert to fraction form
    20,468.43/28,231.30 = 14,097.07/x
  3. Step 3: Cross multiply
    20,468.43x = 28,231.30 × 14,097.07
  4. Step 4: Simplify right side
    20,468.43x = 397,978,665.20
  5. Step 5: Solve for x
    x = 397,978,665.20/20,468.43
  6. Step 6: Final answer
    x = 19,443.54

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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.