Home / 19,147.38-28,717.27-18,197.99

Finding the Fourth Proportional to 19,147.38, 28,717.27 and 18,197.99

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Solution

The fourth proportional to 19,147.38, 28,717.27 and 18,197.99 is: 27,293.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,147.38 : 28,717.27 = 18,197.99 : x
  2. Step 2: Convert to fraction form
    19,147.38/28,717.27 = 18,197.99/x
  3. Step 3: Cross multiply
    19,147.38x = 28,717.27 × 18,197.99
  4. Step 4: Simplify right side
    19,147.38x = 522,596,510.90
  5. Step 5: Solve for x
    x = 522,596,510.90/19,147.38
  6. Step 6: Final answer
    x = 27,293.37

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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.