Home / 19,722.30-27,147.72-17,199.96

Finding the Fourth Proportional to 19,722.30, 27,147.72 and 17,199.96

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Solution

The fourth proportional to 19,722.30, 27,147.72 and 17,199.96 is: 23,675.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,722.30 : 27,147.72 = 17,199.96 : x
  2. Step 2: Convert to fraction form
    19,722.30/27,147.72 = 17,199.96/x
  3. Step 3: Cross multiply
    19,722.30x = 27,147.72 × 17,199.96
  4. Step 4: Simplify right side
    19,722.30x = 466,939,698.09
  5. Step 5: Solve for x
    x = 466,939,698.09/19,722.30
  6. Step 6: Final answer
    x = 23,675.72

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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.