Home / 28,692.09-43,036.46-12,893.04

Finding the Fourth Proportional to 28,692.09, 43,036.46 and 12,893.04

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Solution

The fourth proportional to 28,692.09, 43,036.46 and 12,893.04 is: 19,338.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,692.09 : 43,036.46 = 12,893.04 : x
  2. Step 2: Convert to fraction form
    28,692.09/43,036.46 = 12,893.04/x
  3. Step 3: Cross multiply
    28,692.09x = 43,036.46 × 12,893.04
  4. Step 4: Simplify right side
    28,692.09x = 554,870,735.77
  5. Step 5: Solve for x
    x = 554,870,735.77/28,692.09
  6. Step 6: Final answer
    x = 19,338.81

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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.