Home / 25,673.75-38,447.73-21,204.07

Finding the Fourth Proportional to 25,673.75, 38,447.73 and 21,204.07

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Solution

The fourth proportional to 25,673.75, 38,447.73 and 21,204.07 is: 31,754.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,673.75 : 38,447.73 = 21,204.07 : x
  2. Step 2: Convert to fraction form
    25,673.75/38,447.73 = 21,204.07/x
  3. Step 3: Cross multiply
    25,673.75x = 38,447.73 × 21,204.07
  4. Step 4: Simplify right side
    25,673.75x = 815,248,060.00
  5. Step 5: Solve for x
    x = 815,248,060.00/25,673.75
  6. Step 6: Final answer
    x = 31,754.15

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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.