Home / 28,805.31-43,204.32-11,287.44

Finding the Fourth Proportional to 28,805.31, 43,204.32 and 11,287.44

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Solution

The fourth proportional to 28,805.31, 43,204.32 and 11,287.44 is: 16,929.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,805.31 : 43,204.32 = 11,287.44 : x
  2. Step 2: Convert to fraction form
    28,805.31/43,204.32 = 11,287.44/x
  3. Step 3: Cross multiply
    28,805.31x = 43,204.32 × 11,287.44
  4. Step 4: Simplify right side
    28,805.31x = 487,666,169.74
  5. Step 5: Solve for x
    x = 487,666,169.74/28,805.31
  6. Step 6: Final answer
    x = 16,929.73

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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.