Home / 28,254.22-38,997.99-19,305.34

Finding the Fourth Proportional to 28,254.22, 38,997.99 and 19,305.34

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Solution

The fourth proportional to 28,254.22, 38,997.99 and 19,305.34 is: 26,646.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,254.22 : 38,997.99 = 19,305.34 : x
  2. Step 2: Convert to fraction form
    28,254.22/38,997.99 = 19,305.34/x
  3. Step 3: Cross multiply
    28,254.22x = 38,997.99 × 19,305.34
  4. Step 4: Simplify right side
    28,254.22x = 752,869,456.27
  5. Step 5: Solve for x
    x = 752,869,456.27/28,254.22
  6. Step 6: Final answer
    x = 26,646.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.