Home / 27,668.88-38,181.93-16,342.05

Finding the Fourth Proportional to 27,668.88, 38,181.93 and 16,342.05

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Solution

The fourth proportional to 27,668.88, 38,181.93 and 16,342.05 is: 22,551.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,668.88 : 38,181.93 = 16,342.05 : x
  2. Step 2: Convert to fraction form
    27,668.88/38,181.93 = 16,342.05/x
  3. Step 3: Cross multiply
    27,668.88x = 38,181.93 × 16,342.05
  4. Step 4: Simplify right side
    27,668.88x = 623,971,009.16
  5. Step 5: Solve for x
    x = 623,971,009.16/27,668.88
  6. Step 6: Final answer
    x = 22,551.36

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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.