Home / 27,651.81-38,160.82-15,556.08

Finding the Fourth Proportional to 27,651.81, 38,160.82 and 15,556.08

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Solution

The fourth proportional to 27,651.81, 38,160.82 and 15,556.08 is: 21,468.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,651.81 : 38,160.82 = 15,556.08 : x
  2. Step 2: Convert to fraction form
    27,651.81/38,160.82 = 15,556.08/x
  3. Step 3: Cross multiply
    27,651.81x = 38,160.82 × 15,556.08
  4. Step 4: Simplify right side
    27,651.81x = 593,632,577.98
  5. Step 5: Solve for x
    x = 593,632,577.98/27,651.81
  6. Step 6: Final answer
    x = 21,468.13

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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.