Home / 28,668.76-42,992.21-13,673.23

Finding the Fourth Proportional to 28,668.76, 42,992.21 and 13,673.23

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Solution

The fourth proportional to 28,668.76, 42,992.21 and 13,673.23 is: 20,504.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,668.76 : 42,992.21 = 13,673.23 : x
  2. Step 2: Convert to fraction form
    28,668.76/42,992.21 = 13,673.23/x
  3. Step 3: Cross multiply
    28,668.76x = 42,992.21 × 13,673.23
  4. Step 4: Simplify right side
    28,668.76x = 587,842,307.17
  5. Step 5: Solve for x
    x = 587,842,307.17/28,668.76
  6. Step 6: Final answer
    x = 20,504.63

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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.