Home / 19,238.38-28,866.71-13,324.37

Finding the Fourth Proportional to 19,238.38, 28,866.71 and 13,324.37

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Solution

The fourth proportional to 19,238.38, 28,866.71 and 13,324.37 is: 19,992.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,238.38 : 28,866.71 = 13,324.37 : x
  2. Step 2: Convert to fraction form
    19,238.38/28,866.71 = 13,324.37/x
  3. Step 3: Cross multiply
    19,238.38x = 28,866.71 × 13,324.37
  4. Step 4: Simplify right side
    19,238.38x = 384,630,776.08
  5. Step 5: Solve for x
    x = 384,630,776.08/19,238.38
  6. Step 6: Final answer
    x = 19,992.88

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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.