Home / 28,722.88-43,084.04-15,658.25

Finding the Fourth Proportional to 28,722.88, 43,084.04 and 15,658.25

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Solution

The fourth proportional to 28,722.88, 43,084.04 and 15,658.25 is: 23,487.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,722.88 : 43,084.04 = 15,658.25 : x
  2. Step 2: Convert to fraction form
    28,722.88/43,084.04 = 15,658.25/x
  3. Step 3: Cross multiply
    28,722.88x = 43,084.04 × 15,658.25
  4. Step 4: Simplify right side
    28,722.88x = 674,620,669.33
  5. Step 5: Solve for x
    x = 674,620,669.33/28,722.88
  6. Step 6: Final answer
    x = 23,487.23

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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.