Home / 20,467.29-30,668.14-18,498.99

Finding the Fourth Proportional to 20,467.29, 30,668.14 and 18,498.99

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Solution

The fourth proportional to 20,467.29, 30,668.14 and 18,498.99 is: 27,718.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,467.29 : 30,668.14 = 18,498.99 : x
  2. Step 2: Convert to fraction form
    20,467.29/30,668.14 = 18,498.99/x
  3. Step 3: Cross multiply
    20,467.29x = 30,668.14 × 18,498.99
  4. Step 4: Simplify right side
    20,467.29x = 567,329,615.18
  5. Step 5: Solve for x
    x = 567,329,615.18/20,467.29
  6. Step 6: Final answer
    x = 27,718.84

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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.