Home / 22,728.60-34,085.61-19,812.60

Finding the Fourth Proportional to 22,728.60, 34,085.61 and 19,812.60

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Solution

The fourth proportional to 22,728.60, 34,085.61 and 19,812.60 is: 29,712.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,728.60 : 34,085.61 = 19,812.60 : x
  2. Step 2: Convert to fraction form
    22,728.60/34,085.61 = 19,812.60/x
  3. Step 3: Cross multiply
    22,728.60x = 34,085.61 × 19,812.60
  4. Step 4: Simplify right side
    22,728.60x = 675,324,556.69
  5. Step 5: Solve for x
    x = 675,324,556.69/22,728.60
  6. Step 6: Final answer
    x = 29,712.55

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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.