Home / 28,063.82-38,734.70-16,134.08

Finding the Fourth Proportional to 28,063.82, 38,734.70 and 16,134.08

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Solution

The fourth proportional to 28,063.82, 38,734.70 and 16,134.08 is: 22,268.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,063.82 : 38,734.70 = 16,134.08 : x
  2. Step 2: Convert to fraction form
    28,063.82/38,734.70 = 16,134.08/x
  3. Step 3: Cross multiply
    28,063.82x = 38,734.70 × 16,134.08
  4. Step 4: Simplify right side
    28,063.82x = 624,948,748.58
  5. Step 5: Solve for x
    x = 624,948,748.58/28,063.82
  6. Step 6: Final answer
    x = 22,268.84

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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.