Home / 27,741.62-38,283.36-15,804.98

Finding the Fourth Proportional to 27,741.62, 38,283.36 and 15,804.98

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Solution

The fourth proportional to 27,741.62, 38,283.36 and 15,804.98 is: 21,810.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,741.62 : 38,283.36 = 15,804.98 : x
  2. Step 2: Convert to fraction form
    27,741.62/38,283.36 = 15,804.98/x
  3. Step 3: Cross multiply
    27,741.62x = 38,283.36 × 15,804.98
  4. Step 4: Simplify right side
    27,741.62x = 605,067,739.13
  5. Step 5: Solve for x
    x = 605,067,739.13/27,741.62
  6. Step 6: Final answer
    x = 21,810.83

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1.5x scale

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.