Home / 20,359.25-30,677.57-16,742.49

Finding the Fourth Proportional to 20,359.25, 30,677.57 and 16,742.49

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Solution

The fourth proportional to 20,359.25, 30,677.57 and 16,742.49 is: 25,227.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,359.25 : 30,677.57 = 16,742.49 : x
  2. Step 2: Convert to fraction form
    20,359.25/30,677.57 = 16,742.49/x
  3. Step 3: Cross multiply
    20,359.25x = 30,677.57 × 16,742.49
  4. Step 4: Simplify right side
    20,359.25x = 513,618,825.24
  5. Step 5: Solve for x
    x = 513,618,825.24/20,359.25
  6. Step 6: Final answer
    x = 25,227.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.