Home / 28,258.20-38,998.16-16,322.04

Finding the Fourth Proportional to 28,258.20, 38,998.16 and 16,322.04

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Solution

The fourth proportional to 28,258.20, 38,998.16 and 16,322.04 is: 22,525.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,258.20 : 38,998.16 = 16,322.04 : x
  2. Step 2: Convert to fraction form
    28,258.20/38,998.16 = 16,322.04/x
  3. Step 3: Cross multiply
    28,258.20x = 38,998.16 × 16,322.04
  4. Step 4: Simplify right side
    28,258.20x = 636,529,527.45
  5. Step 5: Solve for x
    x = 636,529,527.45/28,258.20
  6. Step 6: Final answer
    x = 22,525.48

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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.