Home / 19,968.70-29,963.58-15,285.82

Finding the Fourth Proportional to 19,968.70, 29,963.58 and 15,285.82

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Solution

The fourth proportional to 19,968.70, 29,963.58 and 15,285.82 is: 22,936.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,968.70 : 29,963.58 = 15,285.82 : x
  2. Step 2: Convert to fraction form
    19,968.70/29,963.58 = 15,285.82/x
  3. Step 3: Cross multiply
    19,968.70x = 29,963.58 × 15,285.82
  4. Step 4: Simplify right side
    19,968.70x = 458,017,890.44
  5. Step 5: Solve for x
    x = 458,017,890.44/19,968.70
  6. Step 6: Final answer
    x = 22,936.79

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1.5x scale

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.