Home / 38,028-52,478.82-21,261

Finding the Fourth Proportional to 38,028, 52,478.82 and 21,261

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Solution

The fourth proportional to 38,028, 52,478.82 and 21,261 is: 29,340.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,028 : 52,478.82 = 21,261 : x
  2. Step 2: Convert to fraction form
    38,028/52,478.82 = 21,261/x
  3. Step 3: Cross multiply
    38,028x = 52,478.82 × 21,261
  4. Step 4: Simplify right side
    38,028x = 1,115,752,192.02
  5. Step 5: Solve for x
    x = 1,115,752,192.02/38,028
  6. Step 6: Final answer
    x = 29,340.28

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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.