Home / 27,917.08-38,525.72-15,170.37

Finding the Fourth Proportional to 27,917.08, 38,525.72 and 15,170.37

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Solution

The fourth proportional to 27,917.08, 38,525.72 and 15,170.37 is: 20,935.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,917.08 : 38,525.72 = 15,170.37 : x
  2. Step 2: Convert to fraction form
    27,917.08/38,525.72 = 15,170.37/x
  3. Step 3: Cross multiply
    27,917.08x = 38,525.72 × 15,170.37
  4. Step 4: Simplify right side
    27,917.08x = 584,449,272.21
  5. Step 5: Solve for x
    x = 584,449,272.21/27,917.08
  6. Step 6: Final answer
    x = 20,935.19

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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.