Home / 23,135.10-34,702.65-21,579.90

Finding the Fourth Proportional to 23,135.10, 34,702.65 and 21,579.90

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Solution

The fourth proportional to 23,135.10, 34,702.65 and 21,579.90 is: 32,369.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,135.10 : 34,702.65 = 21,579.90 : x
  2. Step 2: Convert to fraction form
    23,135.10/34,702.65 = 21,579.90/x
  3. Step 3: Cross multiply
    23,135.10x = 34,702.65 × 21,579.90
  4. Step 4: Simplify right side
    23,135.10x = 748,879,716.74
  5. Step 5: Solve for x
    x = 748,879,716.74/23,135.10
  6. Step 6: Final answer
    x = 32,369.85

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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.