Home / 20,522.22-30,789.81-8,840.94

Finding the Fourth Proportional to 20,522.22, 30,789.81 and 8,840.94

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Solution

The fourth proportional to 20,522.22, 30,789.81 and 8,840.94 is: 13,264.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,522.22 : 30,789.81 = 8,840.94 : x
  2. Step 2: Convert to fraction form
    20,522.22/30,789.81 = 8,840.94/x
  3. Step 3: Cross multiply
    20,522.22x = 30,789.81 × 8,840.94
  4. Step 4: Simplify right side
    20,522.22x = 272,210,862.82
  5. Step 5: Solve for x
    x = 272,210,862.82/20,522.22
  6. Step 6: Final answer
    x = 13,264.20

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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.