Home / 28,791.44-43,182.90-9,074.82

Finding the Fourth Proportional to 28,791.44, 43,182.90 and 9,074.82

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Solution

The fourth proportional to 28,791.44, 43,182.90 and 9,074.82 is: 13,610.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,791.44 : 43,182.90 = 9,074.82 : x
  2. Step 2: Convert to fraction form
    28,791.44/43,182.90 = 9,074.82/x
  3. Step 3: Cross multiply
    28,791.44x = 43,182.90 × 9,074.82
  4. Step 4: Simplify right side
    28,791.44x = 391,877,044.58
  5. Step 5: Solve for x
    x = 391,877,044.58/28,791.44
  6. Step 6: Final answer
    x = 13,610.89

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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.