Home / 19,238.49-28,857.44-15,944.63

Finding the Fourth Proportional to 19,238.49, 28,857.44 and 15,944.63

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Solution

The fourth proportional to 19,238.49, 28,857.44 and 15,944.63 is: 23,916.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,238.49 : 28,857.44 = 15,944.63 : x
  2. Step 2: Convert to fraction form
    19,238.49/28,857.44 = 15,944.63/x
  3. Step 3: Cross multiply
    19,238.49x = 28,857.44 × 15,944.63
  4. Step 4: Simplify right side
    19,238.49x = 460,120,979.54
  5. Step 5: Solve for x
    x = 460,120,979.54/19,238.49
  6. Step 6: Final answer
    x = 23,916.69

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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.