Home / 19,226.63-28,837.56-5,187.80

Finding the Fourth Proportional to 19,226.63, 28,837.56 and 5,187.80

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Solution

The fourth proportional to 19,226.63, 28,837.56 and 5,187.80 is: 7,781.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,226.63 : 28,837.56 = 5,187.80 : x
  2. Step 2: Convert to fraction form
    19,226.63/28,837.56 = 5,187.80/x
  3. Step 3: Cross multiply
    19,226.63x = 28,837.56 × 5,187.80
  4. Step 4: Simplify right side
    19,226.63x = 149,603,493.77
  5. Step 5: Solve for x
    x = 149,603,493.77/19,226.63
  6. Step 6: Final answer
    x = 7,781.06

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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.