Home / 19,023.72-28,515.09-7,927.44

Finding the Fourth Proportional to 19,023.72, 28,515.09 and 7,927.44

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Solution

The fourth proportional to 19,023.72, 28,515.09 and 7,927.44 is: 11,882.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,023.72 : 28,515.09 = 7,927.44 : x
  2. Step 2: Convert to fraction form
    19,023.72/28,515.09 = 7,927.44/x
  3. Step 3: Cross multiply
    19,023.72x = 28,515.09 × 7,927.44
  4. Step 4: Simplify right side
    19,023.72x = 226,051,665.07
  5. Step 5: Solve for x
    x = 226,051,665.07/19,023.72
  6. Step 6: Final answer
    x = 11,882.62

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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.