Home / 22,068.22-33,102.35-5,428.57

Finding the Fourth Proportional to 22,068.22, 33,102.35 and 5,428.57

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Solution

The fourth proportional to 22,068.22, 33,102.35 and 5,428.57 is: 8,142.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,068.22 : 33,102.35 = 5,428.57 : x
  2. Step 2: Convert to fraction form
    22,068.22/33,102.35 = 5,428.57/x
  3. Step 3: Cross multiply
    22,068.22x = 33,102.35 × 5,428.57
  4. Step 4: Simplify right side
    22,068.22x = 179,698,381.40
  5. Step 5: Solve for x
    x = 179,698,381.40/22,068.22
  6. Step 6: Final answer
    x = 8,142.86

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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.