Home / 28,861.80-43,232.22-14,968.68

Finding the Fourth Proportional to 28,861.80, 43,232.22 and 14,968.68

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Solution

The fourth proportional to 28,861.80, 43,232.22 and 14,968.68 is: 22,421.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,861.80 : 43,232.22 = 14,968.68 : x
  2. Step 2: Convert to fraction form
    28,861.80/43,232.22 = 14,968.68/x
  3. Step 3: Cross multiply
    28,861.80x = 43,232.22 × 14,968.68
  4. Step 4: Simplify right side
    28,861.80x = 647,129,266.87
  5. Step 5: Solve for x
    x = 647,129,266.87/28,861.80
  6. Step 6: Final answer
    x = 22,421.65

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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.