Home / 19,092.03-28,649.21-7,997.78

Finding the Fourth Proportional to 19,092.03, 28,649.21 and 7,997.78

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Solution

The fourth proportional to 19,092.03, 28,649.21 and 7,997.78 is: 12,001.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,092.03 : 28,649.21 = 7,997.78 : x
  2. Step 2: Convert to fraction form
    19,092.03/28,649.21 = 7,997.78/x
  3. Step 3: Cross multiply
    19,092.03x = 28,649.21 × 7,997.78
  4. Step 4: Simplify right side
    19,092.03x = 229,130,078.75
  5. Step 5: Solve for x
    x = 229,130,078.75/19,092.03
  6. Step 6: Final answer
    x = 12,001.35

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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.