Home / 28,170.35-42,256.89-23,230.97

Finding the Fourth Proportional to 28,170.35, 42,256.89 and 23,230.97

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Solution

The fourth proportional to 28,170.35, 42,256.89 and 23,230.97 is: 34,847.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,170.35 : 42,256.89 = 23,230.97 : x
  2. Step 2: Convert to fraction form
    28,170.35/42,256.89 = 23,230.97/x
  3. Step 3: Cross multiply
    28,170.35x = 42,256.89 × 23,230.97
  4. Step 4: Simplify right side
    28,170.35x = 981,668,491.06
  5. Step 5: Solve for x
    x = 981,668,491.06/28,170.35
  6. Step 6: Final answer
    x = 34,847.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.