Home / 19,072.44-28,530.84-15,378.84

Finding the Fourth Proportional to 19,072.44, 28,530.84 and 15,378.84

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Solution

The fourth proportional to 19,072.44, 28,530.84 and 15,378.84 is: 23,005.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,072.44 : 28,530.84 = 15,378.84 : x
  2. Step 2: Convert to fraction form
    19,072.44/28,530.84 = 15,378.84/x
  3. Step 3: Cross multiply
    19,072.44x = 28,530.84 × 15,378.84
  4. Step 4: Simplify right side
    19,072.44x = 438,771,223.43
  5. Step 5: Solve for x
    x = 438,771,223.43/19,072.44
  6. Step 6: Final answer
    x = 23,005.51

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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.