Home / 27,849.08-38,431.73-15,102.25

Finding the Fourth Proportional to 27,849.08, 38,431.73 and 15,102.25

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Solution

The fourth proportional to 27,849.08, 38,431.73 and 15,102.25 is: 20,841.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,849.08 : 38,431.73 = 15,102.25 : x
  2. Step 2: Convert to fraction form
    27,849.08/38,431.73 = 15,102.25/x
  3. Step 3: Cross multiply
    27,849.08x = 38,431.73 × 15,102.25
  4. Step 4: Simplify right side
    27,849.08x = 580,405,797.37
  5. Step 5: Solve for x
    x = 580,405,797.37/27,849.08
  6. Step 6: Final answer
    x = 20,841.12

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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.