Home / 27,746.09-38,287.60-17,135.90

Finding the Fourth Proportional to 27,746.09, 38,287.60 and 17,135.90

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Solution

The fourth proportional to 27,746.09, 38,287.60 and 17,135.90 is: 23,646.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,746.09 : 38,287.60 = 17,135.90 : x
  2. Step 2: Convert to fraction form
    27,746.09/38,287.60 = 17,135.90/x
  3. Step 3: Cross multiply
    27,746.09x = 38,287.60 × 17,135.90
  4. Step 4: Simplify right side
    27,746.09x = 656,092,293.40
  5. Step 5: Solve for x
    x = 656,092,293.40/27,746.09
  6. Step 6: Final answer
    x = 23,646.30

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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.