Home / 28,683.98-39,584.78-17,355.56

Finding the Fourth Proportional to 28,683.98, 39,584.78 and 17,355.56

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Solution

The fourth proportional to 28,683.98, 39,584.78 and 17,355.56 is: 23,951.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,683.98 : 39,584.78 = 17,355.56 : x
  2. Step 2: Convert to fraction form
    28,683.98/39,584.78 = 17,355.56/x
  3. Step 3: Cross multiply
    28,683.98x = 39,584.78 × 17,355.56
  4. Step 4: Simplify right side
    28,683.98x = 687,016,024.38
  5. Step 5: Solve for x
    x = 687,016,024.38/28,683.98
  6. Step 6: Final answer
    x = 23,951.21

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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.