Home / 27,031.87-40,556.48-12,992.91

Finding the Fourth Proportional to 27,031.87, 40,556.48 and 12,992.91

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Solution

The fourth proportional to 27,031.87, 40,556.48 and 12,992.91 is: 19,493.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,031.87 : 40,556.48 = 12,992.91 : x
  2. Step 2: Convert to fraction form
    27,031.87/40,556.48 = 12,992.91/x
  3. Step 3: Cross multiply
    27,031.87x = 40,556.48 × 12,992.91
  4. Step 4: Simplify right side
    27,031.87x = 526,946,799.21
  5. Step 5: Solve for x
    x = 526,946,799.21/27,031.87
  6. Step 6: Final answer
    x = 19,493.54

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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.