Home / 28,599.76-42,860.60-16,125.84

Finding the Fourth Proportional to 28,599.76, 42,860.60 and 16,125.84

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Solution

The fourth proportional to 28,599.76, 42,860.60 and 16,125.84 is: 24,166.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,599.76 : 42,860.60 = 16,125.84 : x
  2. Step 2: Convert to fraction form
    28,599.76/42,860.60 = 16,125.84/x
  3. Step 3: Cross multiply
    28,599.76x = 42,860.60 × 16,125.84
  4. Step 4: Simplify right side
    28,599.76x = 691,163,177.90
  5. Step 5: Solve for x
    x = 691,163,177.90/28,599.76
  6. Step 6: Final answer
    x = 24,166.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.