Home / 19,238.45-28,871.94-14,564.34

Finding the Fourth Proportional to 19,238.45, 28,871.94 and 14,564.34

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Solution

The fourth proportional to 19,238.45, 28,871.94 and 14,564.34 is: 21,857.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,238.45 : 28,871.94 = 14,564.34 : x
  2. Step 2: Convert to fraction form
    19,238.45/28,871.94 = 14,564.34/x
  3. Step 3: Cross multiply
    19,238.45x = 28,871.94 × 14,564.34
  4. Step 4: Simplify right side
    19,238.45x = 420,500,805.24
  5. Step 5: Solve for x
    x = 420,500,805.24/19,238.45
  6. Step 6: Final answer
    x = 21,857.32

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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.