Home / 27,600.96-38,089.56-15,025.68

Finding the Fourth Proportional to 27,600.96, 38,089.56 and 15,025.68

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Solution

The fourth proportional to 27,600.96, 38,089.56 and 15,025.68 is: 20,735.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,600.96 : 38,089.56 = 15,025.68 : x
  2. Step 2: Convert to fraction form
    27,600.96/38,089.56 = 15,025.68/x
  3. Step 3: Cross multiply
    27,600.96x = 38,089.56 × 15,025.68
  4. Step 4: Simplify right side
    27,600.96x = 572,321,539.90
  5. Step 5: Solve for x
    x = 572,321,539.90/27,600.96
  6. Step 6: Final answer
    x = 20,735.57

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Half scale
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Double scale
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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.