Home / 27,453.78-37,884.12-15,518.24

Finding the Fourth Proportional to 27,453.78, 37,884.12 and 15,518.24

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Solution

The fourth proportional to 27,453.78, 37,884.12 and 15,518.24 is: 21,413.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,453.78 : 37,884.12 = 15,518.24 : x
  2. Step 2: Convert to fraction form
    27,453.78/37,884.12 = 15,518.24/x
  3. Step 3: Cross multiply
    27,453.78x = 37,884.12 × 15,518.24
  4. Step 4: Simplify right side
    27,453.78x = 587,894,676.93
  5. Step 5: Solve for x
    x = 587,894,676.93/27,453.78
  6. Step 6: Final answer
    x = 21,413.98

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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.