Home / 22,422.70-33,590.27-13,635.82

Finding the Fourth Proportional to 22,422.70, 33,590.27 and 13,635.82

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Solution

The fourth proportional to 22,422.70, 33,590.27 and 13,635.82 is: 20,427.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,422.70 : 33,590.27 = 13,635.82 : x
  2. Step 2: Convert to fraction form
    22,422.70/33,590.27 = 13,635.82/x
  3. Step 3: Cross multiply
    22,422.70x = 33,590.27 × 13,635.82
  4. Step 4: Simplify right side
    22,422.70x = 458,030,807.29
  5. Step 5: Solve for x
    x = 458,030,807.29/22,422.70
  6. Step 6: Final answer
    x = 20,427.10

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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.