Home / 38,394.34-52,982.85-21,398.02

Finding the Fourth Proportional to 38,394.34, 52,982.85 and 21,398.02

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Solution

The fourth proportional to 38,394.34, 52,982.85 and 21,398.02 is: 29,528.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,394.34 : 52,982.85 = 21,398.02 : x
  2. Step 2: Convert to fraction form
    38,394.34/52,982.85 = 21,398.02/x
  3. Step 3: Cross multiply
    38,394.34x = 52,982.85 × 21,398.02
  4. Step 4: Simplify right side
    38,394.34x = 1,133,728,083.96
  5. Step 5: Solve for x
    x = 1,133,728,083.96/38,394.34
  6. Step 6: Final answer
    x = 29,528.52

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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.