Home / 25,806.24-35,627.40-19,745.28

Finding the Fourth Proportional to 25,806.24, 35,627.40 and 19,745.28

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Solution

The fourth proportional to 25,806.24, 35,627.40 and 19,745.28 is: 27,259.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,806.24 : 35,627.40 = 19,745.28 : x
  2. Step 2: Convert to fraction form
    25,806.24/35,627.40 = 19,745.28/x
  3. Step 3: Cross multiply
    25,806.24x = 35,627.40 × 19,745.28
  4. Step 4: Simplify right side
    25,806.24x = 703,472,988.67
  5. Step 5: Solve for x
    x = 703,472,988.67/25,806.24
  6. Step 6: Final answer
    x = 27,259.80

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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.