Home / 28,795.28-43,190.88-17,703.68

Finding the Fourth Proportional to 28,795.28, 43,190.88 and 17,703.68

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Solution

The fourth proportional to 28,795.28, 43,190.88 and 17,703.68 is: 26,554.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,795.28 : 43,190.88 = 17,703.68 : x
  2. Step 2: Convert to fraction form
    28,795.28/43,190.88 = 17,703.68/x
  3. Step 3: Cross multiply
    28,795.28x = 43,190.88 × 17,703.68
  4. Step 4: Simplify right side
    28,795.28x = 764,637,518.44
  5. Step 5: Solve for x
    x = 764,637,518.44/28,795.28
  6. Step 6: Final answer
    x = 26,554.27

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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.