Home / 27,749.76-38,305.26-18,843.36

Finding the Fourth Proportional to 27,749.76, 38,305.26 and 18,843.36

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Solution

The fourth proportional to 27,749.76, 38,305.26 and 18,843.36 is: 26,011.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,749.76 : 38,305.26 = 18,843.36 : x
  2. Step 2: Convert to fraction form
    27,749.76/38,305.26 = 18,843.36/x
  3. Step 3: Cross multiply
    27,749.76x = 38,305.26 × 18,843.36
  4. Step 4: Simplify right side
    27,749.76x = 721,799,804.07
  5. Step 5: Solve for x
    x = 721,799,804.07/27,749.76
  6. Step 6: Final answer
    x = 26,011.03

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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.