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Finding the Fourth Proportional to 22,893.84, 31,566.58 and 18,352.85

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Solution

The fourth proportional to 22,893.84, 31,566.58 and 18,352.85 is: 25,305.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,893.84 : 31,566.58 = 18,352.85 : x
  2. Step 2: Convert to fraction form
    22,893.84/31,566.58 = 18,352.85/x
  3. Step 3: Cross multiply
    22,893.84x = 31,566.58 × 18,352.85
  4. Step 4: Simplify right side
    22,893.84x = 579,336,504.04
  5. Step 5: Solve for x
    x = 579,336,504.04/22,893.84
  6. Step 6: Final answer
    x = 25,305.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.