Home / 28,519.53-42,786.59-11,874.03

Finding the Fourth Proportional to 28,519.53, 42,786.59 and 11,874.03

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Solution

The fourth proportional to 28,519.53, 42,786.59 and 11,874.03 is: 17,814.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,519.53 : 42,786.59 = 11,874.03 : x
  2. Step 2: Convert to fraction form
    28,519.53/42,786.59 = 11,874.03/x
  3. Step 3: Cross multiply
    28,519.53x = 42,786.59 × 11,874.03
  4. Step 4: Simplify right side
    28,519.53x = 508,049,193.89
  5. Step 5: Solve for x
    x = 508,049,193.89/28,519.53
  6. Step 6: Final answer
    x = 17,814.08

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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.