Home / 38,398.24-52,983.48-21,628

Finding the Fourth Proportional to 38,398.24, 52,983.48 and 21,628

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Solution

The fourth proportional to 38,398.24, 52,983.48 and 21,628 is: 29,843.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,398.24 : 52,983.48 = 21,628 : x
  2. Step 2: Convert to fraction form
    38,398.24/52,983.48 = 21,628/x
  3. Step 3: Cross multiply
    38,398.24x = 52,983.48 × 21,628
  4. Step 4: Simplify right side
    38,398.24x = 1,145,926,705.44
  5. Step 5: Solve for x
    x = 1,145,926,705.44/38,398.24
  6. Step 6: Final answer
    x = 29,843.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.