Home / 22,289.72-33,202.35-21,106.43

Finding the Fourth Proportional to 22,289.72, 33,202.35 and 21,106.43

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Solution

The fourth proportional to 22,289.72, 33,202.35 and 21,106.43 is: 31,439.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,289.72 : 33,202.35 = 21,106.43 : x
  2. Step 2: Convert to fraction form
    22,289.72/33,202.35 = 21,106.43/x
  3. Step 3: Cross multiply
    22,289.72x = 33,202.35 × 21,106.43
  4. Step 4: Simplify right side
    22,289.72x = 700,783,076.11
  5. Step 5: Solve for x
    x = 700,783,076.11/22,289.72
  6. Step 6: Final answer
    x = 31,439.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.