Home / 19,841.69-27,382.31-10,889.51

Finding the Fourth Proportional to 19,841.69, 27,382.31 and 10,889.51

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Solution

The fourth proportional to 19,841.69, 27,382.31 and 10,889.51 is: 15,027.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,841.69 : 27,382.31 = 10,889.51 : x
  2. Step 2: Convert to fraction form
    19,841.69/27,382.31 = 10,889.51/x
  3. Step 3: Cross multiply
    19,841.69x = 27,382.31 × 10,889.51
  4. Step 4: Simplify right side
    19,841.69x = 298,180,034.25
  5. Step 5: Solve for x
    x = 298,180,034.25/19,841.69
  6. Step 6: Final answer
    x = 15,027.95

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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.