Home / 28,126.44-42,189.66-11,482.02

Finding the Fourth Proportional to 28,126.44, 42,189.66 and 11,482.02

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Solution

The fourth proportional to 28,126.44, 42,189.66 and 11,482.02 is: 17,223.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,126.44 : 42,189.66 = 11,482.02 : x
  2. Step 2: Convert to fraction form
    28,126.44/42,189.66 = 11,482.02/x
  3. Step 3: Cross multiply
    28,126.44x = 42,189.66 × 11,482.02
  4. Step 4: Simplify right side
    28,126.44x = 484,422,519.91
  5. Step 5: Solve for x
    x = 484,422,519.91/28,126.44
  6. Step 6: Final answer
    x = 17,223.03

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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.