Home / 27,992.36-38,629.24-15,417

Finding the Fourth Proportional to 27,992.36, 38,629.24 and 15,417

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Solution

The fourth proportional to 27,992.36, 38,629.24 and 15,417 is: 21,275.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,992.36 : 38,629.24 = 15,417 : x
  2. Step 2: Convert to fraction form
    27,992.36/38,629.24 = 15,417/x
  3. Step 3: Cross multiply
    27,992.36x = 38,629.24 × 15,417
  4. Step 4: Simplify right side
    27,992.36x = 595,546,993.08
  5. Step 5: Solve for x
    x = 595,546,993.08/27,992.36
  6. Step 6: Final answer
    x = 21,275.34

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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.