Home / 22,311.69-30,731.01-16,628.26

Finding the Fourth Proportional to 22,311.69, 30,731.01 and 16,628.26

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Solution

The fourth proportional to 22,311.69, 30,731.01 and 16,628.26 is: 22,902.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,311.69 : 30,731.01 = 16,628.26 : x
  2. Step 2: Convert to fraction form
    22,311.69/30,731.01 = 16,628.26/x
  3. Step 3: Cross multiply
    22,311.69x = 30,731.01 × 16,628.26
  4. Step 4: Simplify right side
    22,311.69x = 511,003,265.91
  5. Step 5: Solve for x
    x = 511,003,265.91/22,311.69
  6. Step 6: Final answer
    x = 22,902.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.