Home / 27,698.08-38,241.68-17,103.28

Finding the Fourth Proportional to 27,698.08, 38,241.68 and 17,103.28

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Solution

The fourth proportional to 27,698.08, 38,241.68 and 17,103.28 is: 23,613.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,698.08 : 38,241.68 = 17,103.28 : x
  2. Step 2: Convert to fraction form
    27,698.08/38,241.68 = 17,103.28/x
  3. Step 3: Cross multiply
    27,698.08x = 38,241.68 × 17,103.28
  4. Step 4: Simplify right side
    27,698.08x = 654,058,160.71
  5. Step 5: Solve for x
    x = 654,058,160.71/27,698.08
  6. Step 6: Final answer
    x = 23,613.84

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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.