Home / 28,579.83-39,440.72-17,106.56

Finding the Fourth Proportional to 28,579.83, 39,440.72 and 17,106.56

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Solution

The fourth proportional to 28,579.83, 39,440.72 and 17,106.56 is: 23,607.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,579.83 : 39,440.72 = 17,106.56 : x
  2. Step 2: Convert to fraction form
    28,579.83/39,440.72 = 17,106.56/x
  3. Step 3: Cross multiply
    28,579.83x = 39,440.72 × 17,106.56
  4. Step 4: Simplify right side
    28,579.83x = 674,694,760.39
  5. Step 5: Solve for x
    x = 674,694,760.39/28,579.83
  6. Step 6: Final answer
    x = 23,607.37

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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.