Home / 28,725.30-39,641.67-17,392.73

Finding the Fourth Proportional to 28,725.30, 39,641.67 and 17,392.73

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Solution

The fourth proportional to 28,725.30, 39,641.67 and 17,392.73 is: 24,002.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,725.30 : 39,641.67 = 17,392.73 : x
  2. Step 2: Convert to fraction form
    28,725.30/39,641.67 = 17,392.73/x
  3. Step 3: Cross multiply
    28,725.30x = 39,641.67 × 17,392.73
  4. Step 4: Simplify right side
    28,725.30x = 689,476,664.85
  5. Step 5: Solve for x
    x = 689,476,664.85/28,725.30
  6. Step 6: Final answer
    x = 24,002.42

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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.