Home / 36,789.87-55,219.47-19,272

Finding the Fourth Proportional to 36,789.87, 55,219.47 and 19,272

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Solution

The fourth proportional to 36,789.87, 55,219.47 and 19,272 is: 28,926.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,789.87 : 55,219.47 = 19,272 : x
  2. Step 2: Convert to fraction form
    36,789.87/55,219.47 = 19,272/x
  3. Step 3: Cross multiply
    36,789.87x = 55,219.47 × 19,272
  4. Step 4: Simplify right side
    36,789.87x = 1,064,189,625.84
  5. Step 5: Solve for x
    x = 1,064,189,625.84/36,789.87
  6. Step 6: Final answer
    x = 28,926.16

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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.