Home / 28,209.40-38,942.22-17,614.60

Finding the Fourth Proportional to 28,209.40, 38,942.22 and 17,614.60

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Solution

The fourth proportional to 28,209.40, 38,942.22 and 17,614.60 is: 24,316.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,209.40 : 38,942.22 = 17,614.60 : x
  2. Step 2: Convert to fraction form
    28,209.40/38,942.22 = 17,614.60/x
  3. Step 3: Cross multiply
    28,209.40x = 38,942.22 × 17,614.60
  4. Step 4: Simplify right side
    28,209.40x = 685,951,628.41
  5. Step 5: Solve for x
    x = 685,951,628.41/28,209.40
  6. Step 6: Final answer
    x = 24,316.42

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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.