Home / 22,004.80-33,007.20-19,777.60

Finding the Fourth Proportional to 22,004.80, 33,007.20 and 19,777.60

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Solution

The fourth proportional to 22,004.80, 33,007.20 and 19,777.60 is: 29,666.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,004.80 : 33,007.20 = 19,777.60 : x
  2. Step 2: Convert to fraction form
    22,004.80/33,007.20 = 19,777.60/x
  3. Step 3: Cross multiply
    22,004.80x = 33,007.20 × 19,777.60
  4. Step 4: Simplify right side
    22,004.80x = 652,803,198.72
  5. Step 5: Solve for x
    x = 652,803,198.72/22,004.80
  6. Step 6: Final answer
    x = 29,666.40

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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.