Home / 27,743.90-38,293.70-17,127.45

Finding the Fourth Proportional to 27,743.90, 38,293.70 and 17,127.45

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Solution

The fourth proportional to 27,743.90, 38,293.70 and 17,127.45 is: 23,640.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,743.90 : 38,293.70 = 17,127.45 : x
  2. Step 2: Convert to fraction form
    27,743.90/38,293.70 = 17,127.45/x
  3. Step 3: Cross multiply
    27,743.90x = 38,293.70 × 17,127.45
  4. Step 4: Simplify right side
    27,743.90x = 655,873,346.43
  5. Step 5: Solve for x
    x = 655,873,346.43/27,743.90
  6. Step 6: Final answer
    x = 23,640.28

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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.