Home / 28,845.69-43,154.75-21,845.93

Finding the Fourth Proportional to 28,845.69, 43,154.75 and 21,845.93

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Solution

The fourth proportional to 28,845.69, 43,154.75 and 21,845.93 is: 32,682.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,845.69 : 43,154.75 = 21,845.93 : x
  2. Step 2: Convert to fraction form
    28,845.69/43,154.75 = 21,845.93/x
  3. Step 3: Cross multiply
    28,845.69x = 43,154.75 × 21,845.93
  4. Step 4: Simplify right side
    28,845.69x = 942,755,546.44
  5. Step 5: Solve for x
    x = 942,755,546.44/28,845.69
  6. Step 6: Final answer
    x = 32,682.71

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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.