Home / 27,802.69-38,367.83-15,227.44

Finding the Fourth Proportional to 27,802.69, 38,367.83 and 15,227.44

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Solution

The fourth proportional to 27,802.69, 38,367.83 and 15,227.44 is: 21,013.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,802.69 : 38,367.83 = 15,227.44 : x
  2. Step 2: Convert to fraction form
    27,802.69/38,367.83 = 15,227.44/x
  3. Step 3: Cross multiply
    27,802.69x = 38,367.83 × 15,227.44
  4. Step 4: Simplify right side
    27,802.69x = 584,243,829.26
  5. Step 5: Solve for x
    x = 584,243,829.26/27,802.69
  6. Step 6: Final answer
    x = 21,013.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.