Home / 28,996.32-43,504.84-17,890.08

Finding the Fourth Proportional to 28,996.32, 43,504.84 and 17,890.08

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Solution

The fourth proportional to 28,996.32, 43,504.84 and 17,890.08 is: 26,841.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,996.32 : 43,504.84 = 17,890.08 : x
  2. Step 2: Convert to fraction form
    28,996.32/43,504.84 = 17,890.08/x
  3. Step 3: Cross multiply
    28,996.32x = 43,504.84 × 17,890.08
  4. Step 4: Simplify right side
    28,996.32x = 778,305,067.99
  5. Step 5: Solve for x
    x = 778,305,067.99/28,996.32
  6. Step 6: Final answer
    x = 26,841.51

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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.