Home / 22,916.52-34,306.64-20,511.02

Finding the Fourth Proportional to 22,916.52, 34,306.64 and 20,511.02

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Solution

The fourth proportional to 22,916.52, 34,306.64 and 20,511.02 is: 30,705.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,916.52 : 34,306.64 = 20,511.02 : x
  2. Step 2: Convert to fraction form
    22,916.52/34,306.64 = 20,511.02/x
  3. Step 3: Cross multiply
    22,916.52x = 34,306.64 × 20,511.02
  4. Step 4: Simplify right side
    22,916.52x = 703,664,239.30
  5. Step 5: Solve for x
    x = 703,664,239.30/22,916.52
  6. Step 6: Final answer
    x = 30,705.55

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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.