Home / 27,449.61-37,880.08-15,516.82

Finding the Fourth Proportional to 27,449.61, 37,880.08 and 15,516.82

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Solution

The fourth proportional to 27,449.61, 37,880.08 and 15,516.82 is: 21,413.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,449.61 : 37,880.08 = 15,516.82 : x
  2. Step 2: Convert to fraction form
    27,449.61/37,880.08 = 15,516.82/x
  3. Step 3: Cross multiply
    27,449.61x = 37,880.08 × 15,516.82
  4. Step 4: Simplify right side
    27,449.61x = 587,778,382.95
  5. Step 5: Solve for x
    x = 587,778,382.95/27,449.61
  6. Step 6: Final answer
    x = 21,413.00

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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.