Home / 20,674.73-28,539.24-14,656.43

Finding the Fourth Proportional to 20,674.73, 28,539.24 and 14,656.43

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Solution

The fourth proportional to 20,674.73, 28,539.24 and 14,656.43 is: 20,231.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,674.73 : 28,539.24 = 14,656.43 : x
  2. Step 2: Convert to fraction form
    20,674.73/28,539.24 = 14,656.43/x
  3. Step 3: Cross multiply
    20,674.73x = 28,539.24 × 14,656.43
  4. Step 4: Simplify right side
    20,674.73x = 418,283,157.33
  5. Step 5: Solve for x
    x = 418,283,157.33/20,674.73
  6. Step 6: Final answer
    x = 20,231.61

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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.