Home / 27,896.51-38,496.93-15,321.26

Finding the Fourth Proportional to 27,896.51, 38,496.93 and 15,321.26

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Solution

The fourth proportional to 27,896.51, 38,496.93 and 15,321.26 is: 21,143.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,896.51 : 38,496.93 = 15,321.26 : x
  2. Step 2: Convert to fraction form
    27,896.51/38,496.93 = 15,321.26/x
  3. Step 3: Cross multiply
    27,896.51x = 38,496.93 × 15,321.26
  4. Step 4: Simplify right side
    27,896.51x = 589,821,473.73
  5. Step 5: Solve for x
    x = 589,821,473.73/27,896.51
  6. Step 6: Final answer
    x = 21,143.20

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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.