Home / 28,786.95-43,227.32-17,763.66

Finding the Fourth Proportional to 28,786.95, 43,227.32 and 17,763.66

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Solution

The fourth proportional to 28,786.95, 43,227.32 and 17,763.66 is: 26,674.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,786.95 : 43,227.32 = 17,763.66 : x
  2. Step 2: Convert to fraction form
    28,786.95/43,227.32 = 17,763.66/x
  3. Step 3: Cross multiply
    28,786.95x = 43,227.32 × 17,763.66
  4. Step 4: Simplify right side
    28,786.95x = 767,875,326.37
  5. Step 5: Solve for x
    x = 767,875,326.37/28,786.95
  6. Step 6: Final answer
    x = 26,674.42

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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.