Home / 28,317.63-42,481.59-11,668.41

Finding the Fourth Proportional to 28,317.63, 42,481.59 and 11,668.41

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Solution

The fourth proportional to 28,317.63, 42,481.59 and 11,668.41 is: 17,504.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,317.63 : 42,481.59 = 11,668.41 : x
  2. Step 2: Convert to fraction form
    28,317.63/42,481.59 = 11,668.41/x
  3. Step 3: Cross multiply
    28,317.63x = 42,481.59 × 11,668.41
  4. Step 4: Simplify right side
    28,317.63x = 495,692,609.57
  5. Step 5: Solve for x
    x = 495,692,609.57/28,317.63
  6. Step 6: Final answer
    x = 17,504.74

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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.