Home / 28,693.17-43,054.07-19,211.85

Finding the Fourth Proportional to 28,693.17, 43,054.07 and 19,211.85

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Solution

The fourth proportional to 28,693.17, 43,054.07 and 19,211.85 is: 28,827.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,693.17 : 43,054.07 = 19,211.85 : x
  2. Step 2: Convert to fraction form
    28,693.17/43,054.07 = 19,211.85/x
  3. Step 3: Cross multiply
    28,693.17x = 43,054.07 × 19,211.85
  4. Step 4: Simplify right side
    28,693.17x = 827,148,238.67
  5. Step 5: Solve for x
    x = 827,148,238.67/28,693.17
  6. Step 6: Final answer
    x = 28,827.36

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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.