Home / 28,789.41-43,185.67-9,069.51

Finding the Fourth Proportional to 28,789.41, 43,185.67 and 9,069.51

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Solution

The fourth proportional to 28,789.41, 43,185.67 and 9,069.51 is: 13,604.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,789.41 : 43,185.67 = 9,069.51 : x
  2. Step 2: Convert to fraction form
    28,789.41/43,185.67 = 9,069.51/x
  3. Step 3: Cross multiply
    28,789.41x = 43,185.67 × 9,069.51
  4. Step 4: Simplify right side
    28,789.41x = 391,673,005.19
  5. Step 5: Solve for x
    x = 391,673,005.19/28,789.41
  6. Step 6: Final answer
    x = 13,604.76

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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.