Home / 28,892.36-43,319.83-19,001.65

Finding the Fourth Proportional to 28,892.36, 43,319.83 and 19,001.65

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Solution

The fourth proportional to 28,892.36, 43,319.83 and 19,001.65 is: 28,490.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,892.36 : 43,319.83 = 19,001.65 : x
  2. Step 2: Convert to fraction form
    28,892.36/43,319.83 = 19,001.65/x
  3. Step 3: Cross multiply
    28,892.36x = 43,319.83 × 19,001.65
  4. Step 4: Simplify right side
    28,892.36x = 823,148,247.72
  5. Step 5: Solve for x
    x = 823,148,247.72/28,892.36
  6. Step 6: Final answer
    x = 28,490.17

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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.