Home / 27,683.12-38,208.84-17,609.60

Finding the Fourth Proportional to 27,683.12, 38,208.84 and 17,609.60

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Solution

The fourth proportional to 27,683.12, 38,208.84 and 17,609.60 is: 24,305.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,683.12 : 38,208.84 = 17,609.60 : x
  2. Step 2: Convert to fraction form
    27,683.12/38,208.84 = 17,609.60/x
  3. Step 3: Cross multiply
    27,683.12x = 38,208.84 × 17,609.60
  4. Step 4: Simplify right side
    27,683.12x = 672,842,388.86
  5. Step 5: Solve for x
    x = 672,842,388.86/27,683.12
  6. Step 6: Final answer
    x = 24,305.15

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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.