Home / 27,704.21-38,207.69-18,009.57

Finding the Fourth Proportional to 27,704.21, 38,207.69 and 18,009.57

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Solution

The fourth proportional to 27,704.21, 38,207.69 and 18,009.57 is: 24,837.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,704.21 : 38,207.69 = 18,009.57 : x
  2. Step 2: Convert to fraction form
    27,704.21/38,207.69 = 18,009.57/x
  3. Step 3: Cross multiply
    27,704.21x = 38,207.69 × 18,009.57
  4. Step 4: Simplify right side
    27,704.21x = 688,104,067.59
  5. Step 5: Solve for x
    x = 688,104,067.59/27,704.21
  6. Step 6: Final answer
    x = 24,837.53

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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.