Home / 28,838.63-43,263.72-12,198.60

Finding the Fourth Proportional to 28,838.63, 43,263.72 and 12,198.60

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Solution

The fourth proportional to 28,838.63, 43,263.72 and 12,198.60 is: 18,300.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,838.63 : 43,263.72 = 12,198.60 : x
  2. Step 2: Convert to fraction form
    28,838.63/43,263.72 = 12,198.60/x
  3. Step 3: Cross multiply
    28,838.63x = 43,263.72 × 12,198.60
  4. Step 4: Simplify right side
    28,838.63x = 527,756,814.79
  5. Step 5: Solve for x
    x = 527,756,814.79/28,838.63
  6. Step 6: Final answer
    x = 18,300.34

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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.