Home / 28,883.68-43,354.48-19,493.92

Finding the Fourth Proportional to 28,883.68, 43,354.48 and 19,493.92

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Solution

The fourth proportional to 28,883.68, 43,354.48 and 19,493.92 is: 29,260.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,883.68 : 43,354.48 = 19,493.92 : x
  2. Step 2: Convert to fraction form
    28,883.68/43,354.48 = 19,493.92/x
  3. Step 3: Cross multiply
    28,883.68x = 43,354.48 × 19,493.92
  4. Step 4: Simplify right side
    28,883.68x = 845,148,764.76
  5. Step 5: Solve for x
    x = 845,148,764.76/28,883.68
  6. Step 6: Final answer
    x = 29,260.43

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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.