Home / 27,802.69-38,367.82-15,055.88

Finding the Fourth Proportional to 27,802.69, 38,367.82 and 15,055.88

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Solution

The fourth proportional to 27,802.69, 38,367.82 and 15,055.88 is: 20,777.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,802.69 : 38,367.82 = 15,055.88 : x
  2. Step 2: Convert to fraction form
    27,802.69/38,367.82 = 15,055.88/x
  3. Step 3: Cross multiply
    27,802.69x = 38,367.82 × 15,055.88
  4. Step 4: Simplify right side
    27,802.69x = 577,661,352.97
  5. Step 5: Solve for x
    x = 577,661,352.97/27,802.69
  6. Step 6: Final answer
    x = 20,777.17

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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.