Home / 28,027.30-38,676.12-16,089.86

Finding the Fourth Proportional to 28,027.30, 38,676.12 and 16,089.86

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Solution

The fourth proportional to 28,027.30, 38,676.12 and 16,089.86 is: 22,203.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,027.30 : 38,676.12 = 16,089.86 : x
  2. Step 2: Convert to fraction form
    28,027.30/38,676.12 = 16,089.86/x
  3. Step 3: Cross multiply
    28,027.30x = 38,676.12 × 16,089.86
  4. Step 4: Simplify right side
    28,027.30x = 622,293,356.14
  5. Step 5: Solve for x
    x = 622,293,356.14/28,027.30
  6. Step 6: Final answer
    x = 22,203.11

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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.