Home / 27,128.80-40,645.36-23,759.46

Finding the Fourth Proportional to 27,128.80, 40,645.36 and 23,759.46

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Solution

The fourth proportional to 27,128.80, 40,645.36 and 23,759.46 is: 35,597.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,128.80 : 40,645.36 = 23,759.46 : x
  2. Step 2: Convert to fraction form
    27,128.80/40,645.36 = 23,759.46/x
  3. Step 3: Cross multiply
    27,128.80x = 40,645.36 × 23,759.46
  4. Step 4: Simplify right side
    27,128.80x = 965,711,805.11
  5. Step 5: Solve for x
    x = 965,711,805.11/27,128.80
  6. Step 6: Final answer
    x = 35,597.29

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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.