Home / 27,152.06-40,703-18,835.98

Finding the Fourth Proportional to 27,152.06, 40,703 and 18,835.98

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Solution

The fourth proportional to 27,152.06, 40,703 and 18,835.98 is: 28,236.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,152.06 : 40,703 = 18,835.98 : x
  2. Step 2: Convert to fraction form
    27,152.06/40,703 = 18,835.98/x
  3. Step 3: Cross multiply
    27,152.06x = 40,703 × 18,835.98
  4. Step 4: Simplify right side
    27,152.06x = 766,680,893.94
  5. Step 5: Solve for x
    x = 766,680,893.94/27,152.06
  6. Step 6: Final answer
    x = 28,236.56

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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.