Home / 27,390.54-37,798.95-15,453.97

Finding the Fourth Proportional to 27,390.54, 37,798.95 and 15,453.97

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Solution

The fourth proportional to 27,390.54, 37,798.95 and 15,453.97 is: 21,326.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,390.54 : 37,798.95 = 15,453.97 : x
  2. Step 2: Convert to fraction form
    27,390.54/37,798.95 = 15,453.97/x
  3. Step 3: Cross multiply
    27,390.54x = 37,798.95 × 15,453.97
  4. Step 4: Simplify right side
    27,390.54x = 584,143,839.33
  5. Step 5: Solve for x
    x = 584,143,839.33/27,390.54
  6. Step 6: Final answer
    x = 21,326.48

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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.