Home / 28,872.82-43,306.44-19,572.63

Finding the Fourth Proportional to 28,872.82, 43,306.44 and 19,572.63

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Solution

The fourth proportional to 28,872.82, 43,306.44 and 19,572.63 is: 29,357.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,872.82 : 43,306.44 = 19,572.63 : x
  2. Step 2: Convert to fraction form
    28,872.82/43,306.44 = 19,572.63/x
  3. Step 3: Cross multiply
    28,872.82x = 43,306.44 × 19,572.63
  4. Step 4: Simplify right side
    28,872.82x = 847,620,926.74
  5. Step 5: Solve for x
    x = 847,620,926.74/28,872.82
  6. Step 6: Final answer
    x = 29,357.05

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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.