Home / 28,887.45-43,333.62-8,110.95

Finding the Fourth Proportional to 28,887.45, 43,333.62 and 8,110.95

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Solution

The fourth proportional to 28,887.45, 43,333.62 and 8,110.95 is: 12,167.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,887.45 : 43,333.62 = 8,110.95 : x
  2. Step 2: Convert to fraction form
    28,887.45/43,333.62 = 8,110.95/x
  3. Step 3: Cross multiply
    28,887.45x = 43,333.62 × 8,110.95
  4. Step 4: Simplify right side
    28,887.45x = 351,476,825.14
  5. Step 5: Solve for x
    x = 351,476,825.14/28,887.45
  6. Step 6: Final answer
    x = 12,167.11

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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.