Home / 28,644.09-39,533.60-16,707.43

Finding the Fourth Proportional to 28,644.09, 39,533.60 and 16,707.43

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Solution

The fourth proportional to 28,644.09, 39,533.60 and 16,707.43 is: 23,059.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,644.09 : 39,533.60 = 16,707.43 : x
  2. Step 2: Convert to fraction form
    28,644.09/39,533.60 = 16,707.43/x
  3. Step 3: Cross multiply
    28,644.09x = 39,533.60 × 16,707.43
  4. Step 4: Simplify right side
    28,644.09x = 660,504,672.28
  5. Step 5: Solve for x
    x = 660,504,672.28/28,644.09
  6. Step 6: Final answer
    x = 23,059.02

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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.