Home / 23,076.80-34,615.20-20,160.80

Finding the Fourth Proportional to 23,076.80, 34,615.20 and 20,160.80

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Solution

The fourth proportional to 23,076.80, 34,615.20 and 20,160.80 is: 30,241.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,076.80 : 34,615.20 = 20,160.80 : x
  2. Step 2: Convert to fraction form
    23,076.80/34,615.20 = 20,160.80/x
  3. Step 3: Cross multiply
    23,076.80x = 34,615.20 × 20,160.80
  4. Step 4: Simplify right side
    23,076.80x = 697,870,124.16
  5. Step 5: Solve for x
    x = 697,870,124.16/23,076.80
  6. Step 6: Final answer
    x = 30,241.20

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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.