Home / 19,250.49-28,871.61-11,239.92

Finding the Fourth Proportional to 19,250.49, 28,871.61 and 11,239.92

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Solution

The fourth proportional to 19,250.49, 28,871.61 and 11,239.92 is: 16,857.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,250.49 : 28,871.61 = 11,239.92 : x
  2. Step 2: Convert to fraction form
    19,250.49/28,871.61 = 11,239.92/x
  3. Step 3: Cross multiply
    19,250.49x = 28,871.61 × 11,239.92
  4. Step 4: Simplify right side
    19,250.49x = 324,514,586.67
  5. Step 5: Solve for x
    x = 324,514,586.67/19,250.49
  6. Step 6: Final answer
    x = 16,857.47

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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.