Home / 25,619.52-38,367.36-21,204.48

Finding the Fourth Proportional to 25,619.52, 38,367.36 and 21,204.48

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Solution

The fourth proportional to 25,619.52, 38,367.36 and 21,204.48 is: 31,755.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,619.52 : 38,367.36 = 21,204.48 : x
  2. Step 2: Convert to fraction form
    25,619.52/38,367.36 = 21,204.48/x
  3. Step 3: Cross multiply
    25,619.52x = 38,367.36 × 21,204.48
  4. Step 4: Simplify right side
    25,619.52x = 813,559,917.77
  5. Step 5: Solve for x
    x = 813,559,917.77/25,619.52
  6. Step 6: Final answer
    x = 31,755.47

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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.