Home / 20,577.96-30,716.37-17,674.92

Finding the Fourth Proportional to 20,577.96, 30,716.37 and 17,674.92

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Solution

The fourth proportional to 20,577.96, 30,716.37 and 17,674.92 is: 26,383.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,577.96 : 30,716.37 = 17,674.92 : x
  2. Step 2: Convert to fraction form
    20,577.96/30,716.37 = 17,674.92/x
  3. Step 3: Cross multiply
    20,577.96x = 30,716.37 × 17,674.92
  4. Step 4: Simplify right side
    20,577.96x = 542,909,382.44
  5. Step 5: Solve for x
    x = 542,909,382.44/20,577.96
  6. Step 6: Final answer
    x = 26,383.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.