Home / 19,147.80-28,649.52-17,205.42

Finding the Fourth Proportional to 19,147.80, 28,649.52 and 17,205.42

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Solution

The fourth proportional to 19,147.80, 28,649.52 and 17,205.42 is: 25,743.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,147.80 : 28,649.52 = 17,205.42 : x
  2. Step 2: Convert to fraction form
    19,147.80/28,649.52 = 17,205.42/x
  3. Step 3: Cross multiply
    19,147.80x = 28,649.52 × 17,205.42
  4. Step 4: Simplify right side
    19,147.80x = 492,927,024.40
  5. Step 5: Solve for x
    x = 492,927,024.40/19,147.80
  6. Step 6: Final answer
    x = 25,743.27

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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.