Home / 27,896.69-38,498.21-15,322.25

Finding the Fourth Proportional to 27,896.69, 38,498.21 and 15,322.25

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Solution

The fourth proportional to 27,896.69, 38,498.21 and 15,322.25 is: 21,145.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,896.69 : 38,498.21 = 15,322.25 : x
  2. Step 2: Convert to fraction form
    27,896.69/38,498.21 = 15,322.25/x
  3. Step 3: Cross multiply
    27,896.69x = 38,498.21 × 15,322.25
  4. Step 4: Simplify right side
    27,896.69x = 589,879,198.17
  5. Step 5: Solve for x
    x = 589,879,198.17/27,896.69
  6. Step 6: Final answer
    x = 21,145.13

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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.