Home / 28,838.08-43,262.94-12,198.16

Finding the Fourth Proportional to 28,838.08, 43,262.94 and 12,198.16

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Solution

The fourth proportional to 28,838.08, 43,262.94 and 12,198.16 is: 18,299.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,838.08 : 43,262.94 = 12,198.16 : x
  2. Step 2: Convert to fraction form
    28,838.08/43,262.94 = 12,198.16/x
  3. Step 3: Cross multiply
    28,838.08x = 43,262.94 × 12,198.16
  4. Step 4: Simplify right side
    28,838.08x = 527,728,264.19
  5. Step 5: Solve for x
    x = 527,728,264.19/28,838.08
  6. Step 6: Final answer
    x = 18,299.70

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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.