Home / 27,405.12-41,068.80-20,026.56

Finding the Fourth Proportional to 27,405.12, 41,068.80 and 20,026.56

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Solution

The fourth proportional to 27,405.12, 41,068.80 and 20,026.56 is: 30,011.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,405.12 : 41,068.80 = 20,026.56 : x
  2. Step 2: Convert to fraction form
    27,405.12/41,068.80 = 20,026.56/x
  3. Step 3: Cross multiply
    27,405.12x = 41,068.80 × 20,026.56
  4. Step 4: Simplify right side
    27,405.12x = 822,466,787.33
  5. Step 5: Solve for x
    x = 822,466,787.33/27,405.12
  6. Step 6: Final answer
    x = 30,011.43

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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.