Home / 26,827.20-40,240.80-12,793.95

Finding the Fourth Proportional to 26,827.20, 40,240.80 and 12,793.95

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Solution

The fourth proportional to 26,827.20, 40,240.80 and 12,793.95 is: 19,190.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,827.20 : 40,240.80 = 12,793.95 : x
  2. Step 2: Convert to fraction form
    26,827.20/40,240.80 = 12,793.95/x
  3. Step 3: Cross multiply
    26,827.20x = 40,240.80 × 12,793.95
  4. Step 4: Simplify right side
    26,827.20x = 514,838,783.16
  5. Step 5: Solve for x
    x = 514,838,783.16/26,827.20
  6. Step 6: Final answer
    x = 19,190.93

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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.