Home / 27,756.47-38,316.44-17,698.43

Finding the Fourth Proportional to 27,756.47, 38,316.44 and 17,698.43

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Solution

The fourth proportional to 27,756.47, 38,316.44 and 17,698.43 is: 24,431.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,756.47 : 38,316.44 = 17,698.43 : x
  2. Step 2: Convert to fraction form
    27,756.47/38,316.44 = 17,698.43/x
  3. Step 3: Cross multiply
    27,756.47x = 38,316.44 × 17,698.43
  4. Step 4: Simplify right side
    27,756.47x = 678,140,971.23
  5. Step 5: Solve for x
    x = 678,140,971.23/27,756.47
  6. Step 6: Final answer
    x = 24,431.81

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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.