Home / 27,020.58-40,498.04-19,125.42

Finding the Fourth Proportional to 27,020.58, 40,498.04 and 19,125.42

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Solution

The fourth proportional to 27,020.58, 40,498.04 and 19,125.42 is: 28,664.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,020.58 : 40,498.04 = 19,125.42 : x
  2. Step 2: Convert to fraction form
    27,020.58/40,498.04 = 19,125.42/x
  3. Step 3: Cross multiply
    27,020.58x = 40,498.04 × 19,125.42
  4. Step 4: Simplify right side
    27,020.58x = 774,542,024.18
  5. Step 5: Solve for x
    x = 774,542,024.18/27,020.58
  6. Step 6: Final answer
    x = 28,664.89

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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.