Home / 28,093.59-38,770.28-16,156.92

Finding the Fourth Proportional to 28,093.59, 38,770.28 and 16,156.92

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Solution

The fourth proportional to 28,093.59, 38,770.28 and 16,156.92 is: 22,297.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,093.59 : 38,770.28 = 16,156.92 : x
  2. Step 2: Convert to fraction form
    28,093.59/38,770.28 = 16,156.92/x
  3. Step 3: Cross multiply
    28,093.59x = 38,770.28 × 16,156.92
  4. Step 4: Simplify right side
    28,093.59x = 626,408,231.55
  5. Step 5: Solve for x
    x = 626,408,231.55/28,093.59
  6. Step 6: Final answer
    x = 22,297.19

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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.