Home / 22,890.66-34,491.96-18,821.81

Finding the Fourth Proportional to 22,890.66, 34,491.96 and 18,821.81

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Solution

The fourth proportional to 22,890.66, 34,491.96 and 18,821.81 is: 28,360.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,890.66 : 34,491.96 = 18,821.81 : x
  2. Step 2: Convert to fraction form
    22,890.66/34,491.96 = 18,821.81/x
  3. Step 3: Cross multiply
    22,890.66x = 34,491.96 × 18,821.81
  4. Step 4: Simplify right side
    22,890.66x = 649,201,203.88
  5. Step 5: Solve for x
    x = 649,201,203.88/22,890.66
  6. Step 6: Final answer
    x = 28,360.97

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.