Home / 19,029.60-28,576.80-14,104.80

Finding the Fourth Proportional to 19,029.60, 28,576.80 and 14,104.80

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Solution

The fourth proportional to 19,029.60, 28,576.80 and 14,104.80 is: 21,181.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,029.60 : 28,576.80 = 14,104.80 : x
  2. Step 2: Convert to fraction form
    19,029.60/28,576.80 = 14,104.80/x
  3. Step 3: Cross multiply
    19,029.60x = 28,576.80 × 14,104.80
  4. Step 4: Simplify right side
    19,029.60x = 403,070,048.64
  5. Step 5: Solve for x
    x = 403,070,048.64/19,029.60
  6. Step 6: Final answer
    x = 21,181.21

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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.