Home / 19,288.78-28,935.92-5,962.92

Finding the Fourth Proportional to 19,288.78, 28,935.92 and 5,962.92

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Solution

The fourth proportional to 19,288.78, 28,935.92 and 5,962.92 is: 8,945.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,288.78 : 28,935.92 = 5,962.92 : x
  2. Step 2: Convert to fraction form
    19,288.78/28,935.92 = 5,962.92/x
  3. Step 3: Cross multiply
    19,288.78x = 28,935.92 × 5,962.92
  4. Step 4: Simplify right side
    19,288.78x = 172,542,576.09
  5. Step 5: Solve for x
    x = 172,542,576.09/19,288.78
  6. Step 6: Final answer
    x = 8,945.23

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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.