Home / 28,869.99-43,319.34-16,211.88

Finding the Fourth Proportional to 28,869.99, 43,319.34 and 16,211.88

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Solution

The fourth proportional to 28,869.99, 43,319.34 and 16,211.88 is: 24,325.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,869.99 : 43,319.34 = 16,211.88 : x
  2. Step 2: Convert to fraction form
    28,869.99/43,319.34 = 16,211.88/x
  3. Step 3: Cross multiply
    28,869.99x = 43,319.34 × 16,211.88
  4. Step 4: Simplify right side
    28,869.99x = 702,287,941.76
  5. Step 5: Solve for x
    x = 702,287,941.76/28,869.99
  6. Step 6: Final answer
    x = 24,325.88

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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.