Home / 27,651.99-38,161.08-15,556.26

Finding the Fourth Proportional to 27,651.99, 38,161.08 and 15,556.26

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Solution

The fourth proportional to 27,651.99, 38,161.08 and 15,556.26 is: 21,468.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,651.99 : 38,161.08 = 15,556.26 : x
  2. Step 2: Convert to fraction form
    27,651.99/38,161.08 = 15,556.26/x
  3. Step 3: Cross multiply
    27,651.99x = 38,161.08 × 15,556.26
  4. Step 4: Simplify right side
    27,651.99x = 593,643,682.36
  5. Step 5: Solve for x
    x = 593,643,682.36/27,651.99
  6. Step 6: Final answer
    x = 21,468.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.