Home / 19,867.39-29,758.43-18,704.23

Finding the Fourth Proportional to 19,867.39, 29,758.43 and 18,704.23

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Solution

The fourth proportional to 19,867.39, 29,758.43 and 18,704.23 is: 28,016.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,867.39 : 29,758.43 = 18,704.23 : x
  2. Step 2: Convert to fraction form
    19,867.39/29,758.43 = 18,704.23/x
  3. Step 3: Cross multiply
    19,867.39x = 29,758.43 × 18,704.23
  4. Step 4: Simplify right side
    19,867.39x = 556,608,425.64
  5. Step 5: Solve for x
    x = 556,608,425.64/19,867.39
  6. Step 6: Final answer
    x = 28,016.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.