Home / 28,495.15-42,704.52-22,177.66

Finding the Fourth Proportional to 28,495.15, 42,704.52 and 22,177.66

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Solution

The fourth proportional to 28,495.15, 42,704.52 and 22,177.66 is: 33,236.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,495.15 : 42,704.52 = 22,177.66 : x
  2. Step 2: Convert to fraction form
    28,495.15/42,704.52 = 22,177.66/x
  3. Step 3: Cross multiply
    28,495.15x = 42,704.52 × 22,177.66
  4. Step 4: Simplify right side
    28,495.15x = 947,086,325.02
  5. Step 5: Solve for x
    x = 947,086,325.02/28,495.15
  6. Step 6: Final answer
    x = 33,236.76

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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.