Home / 28,027.68-38,679.72-16,092.96

Finding the Fourth Proportional to 28,027.68, 38,679.72 and 16,092.96

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Solution

The fourth proportional to 28,027.68, 38,679.72 and 16,092.96 is: 22,209.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,027.68 : 38,679.72 = 16,092.96 : x
  2. Step 2: Convert to fraction form
    28,027.68/38,679.72 = 16,092.96/x
  3. Step 3: Cross multiply
    28,027.68x = 38,679.72 × 16,092.96
  4. Step 4: Simplify right side
    28,027.68x = 622,471,186.77
  5. Step 5: Solve for x
    x = 622,471,186.77/28,027.68
  6. Step 6: Final answer
    x = 22,209.16

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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.