Home / 28,653.22-43,028.30-18,674.92

Finding the Fourth Proportional to 28,653.22, 43,028.30 and 18,674.92

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Solution

The fourth proportional to 28,653.22, 43,028.30 and 18,674.92 is: 28,043.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,653.22 : 43,028.30 = 18,674.92 : x
  2. Step 2: Convert to fraction form
    28,653.22/43,028.30 = 18,674.92/x
  3. Step 3: Cross multiply
    28,653.22x = 43,028.30 × 18,674.92
  4. Step 4: Simplify right side
    28,653.22x = 803,550,060.24
  5. Step 5: Solve for x
    x = 803,550,060.24/28,653.22
  6. Step 6: Final answer
    x = 28,043.97

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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.