Home / 27,818.48-41,728.80-7,042.52

Finding the Fourth Proportional to 27,818.48, 41,728.80 and 7,042.52

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Solution

The fourth proportional to 27,818.48, 41,728.80 and 7,042.52 is: 10,564.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,818.48 : 41,728.80 = 7,042.52 : x
  2. Step 2: Convert to fraction form
    27,818.48/41,728.80 = 7,042.52/x
  3. Step 3: Cross multiply
    27,818.48x = 41,728.80 × 7,042.52
  4. Step 4: Simplify right side
    27,818.48x = 293,875,908.58
  5. Step 5: Solve for x
    x = 293,875,908.58/27,818.48
  6. Step 6: Final answer
    x = 10,564.05

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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.