Home / 28,633.67-42,954.55-8,914.22

Finding the Fourth Proportional to 28,633.67, 42,954.55 and 8,914.22

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Solution

The fourth proportional to 28,633.67, 42,954.55 and 8,914.22 is: 13,372.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,633.67 : 42,954.55 = 8,914.22 : x
  2. Step 2: Convert to fraction form
    28,633.67/42,954.55 = 8,914.22/x
  3. Step 3: Cross multiply
    28,633.67x = 42,954.55 × 8,914.22
  4. Step 4: Simplify right side
    28,633.67x = 382,906,093.93
  5. Step 5: Solve for x
    x = 382,906,093.93/28,633.67
  6. Step 6: Final answer
    x = 13,372.58

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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.