Home / 27,556.80-41,335.20-18,322.80

Finding the Fourth Proportional to 27,556.80, 41,335.20 and 18,322.80

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Solution

The fourth proportional to 27,556.80, 41,335.20 and 18,322.80 is: 27,484.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,556.80 : 41,335.20 = 18,322.80 : x
  2. Step 2: Convert to fraction form
    27,556.80/41,335.20 = 18,322.80/x
  3. Step 3: Cross multiply
    27,556.80x = 41,335.20 × 18,322.80
  4. Step 4: Simplify right side
    27,556.80x = 757,376,602.56
  5. Step 5: Solve for x
    x = 757,376,602.56/27,556.80
  6. Step 6: Final answer
    x = 27,484.20

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1.5x scale

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.