Home / 28,942-43,412.96-19,009.44

Finding the Fourth Proportional to 28,942, 43,412.96 and 19,009.44

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Solution

The fourth proportional to 28,942, 43,412.96 and 19,009.44 is: 28,514.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,942 : 43,412.96 = 19,009.44 : x
  2. Step 2: Convert to fraction form
    28,942/43,412.96 = 19,009.44/x
  3. Step 3: Cross multiply
    28,942x = 43,412.96 × 19,009.44
  4. Step 4: Simplify right side
    28,942x = 825,256,058.34
  5. Step 5: Solve for x
    x = 825,256,058.34/28,942
  6. Step 6: Final answer
    x = 28,514.13

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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.