Home / 27,382.58-37,791.86-15,447.02

Finding the Fourth Proportional to 27,382.58, 37,791.86 and 15,447.02

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Solution

The fourth proportional to 27,382.58, 37,791.86 and 15,447.02 is: 21,319.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,382.58 : 37,791.86 = 15,447.02 : x
  2. Step 2: Convert to fraction form
    27,382.58/37,791.86 = 15,447.02/x
  3. Step 3: Cross multiply
    27,382.58x = 37,791.86 × 15,447.02
  4. Step 4: Simplify right side
    27,382.58x = 583,771,351.06
  5. Step 5: Solve for x
    x = 583,771,351.06/27,382.58
  6. Step 6: Final answer
    x = 21,319.08

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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.