Home / 28,305.44-42,441.75-11,646.65

Finding the Fourth Proportional to 28,305.44, 42,441.75 and 11,646.65

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Solution

The fourth proportional to 28,305.44, 42,441.75 and 11,646.65 is: 17,463.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,305.44 : 42,441.75 = 11,646.65 : x
  2. Step 2: Convert to fraction form
    28,305.44/42,441.75 = 11,646.65/x
  3. Step 3: Cross multiply
    28,305.44x = 42,441.75 × 11,646.65
  4. Step 4: Simplify right side
    28,305.44x = 494,303,995.43
  5. Step 5: Solve for x
    x = 494,303,995.43/28,305.44
  6. Step 6: Final answer
    x = 17,463.22

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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.