Home / 28,074.88-38,704.46-19,564.72

Finding the Fourth Proportional to 28,074.88, 38,704.46 and 19,564.72

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Solution

The fourth proportional to 28,074.88, 38,704.46 and 19,564.72 is: 26,972.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,074.88 : 38,704.46 = 19,564.72 : x
  2. Step 2: Convert to fraction form
    28,074.88/38,704.46 = 19,564.72/x
  3. Step 3: Cross multiply
    28,074.88x = 38,704.46 × 19,564.72
  4. Step 4: Simplify right side
    28,074.88x = 757,241,922.65
  5. Step 5: Solve for x
    x = 757,241,922.65/28,074.88
  6. Step 6: Final answer
    x = 26,972.22

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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.