Home / 28,434.76-42,633.90-11,806.27

Finding the Fourth Proportional to 28,434.76, 42,633.90 and 11,806.27

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Solution

The fourth proportional to 28,434.76, 42,633.90 and 11,806.27 is: 17,701.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,434.76 : 42,633.90 = 11,806.27 : x
  2. Step 2: Convert to fraction form
    28,434.76/42,633.90 = 11,806.27/x
  3. Step 3: Cross multiply
    28,434.76x = 42,633.90 × 11,806.27
  4. Step 4: Simplify right side
    28,434.76x = 503,347,334.55
  5. Step 5: Solve for x
    x = 503,347,334.55/28,434.76
  6. Step 6: Final answer
    x = 17,701.83

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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.