Home / 27,165.12-37,487.60-15,228.56

Finding the Fourth Proportional to 27,165.12, 37,487.60 and 15,228.56

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Solution

The fourth proportional to 27,165.12, 37,487.60 and 15,228.56 is: 21,015.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,165.12 : 37,487.60 = 15,228.56 : x
  2. Step 2: Convert to fraction form
    27,165.12/37,487.60 = 15,228.56/x
  3. Step 3: Cross multiply
    27,165.12x = 37,487.60 × 15,228.56
  4. Step 4: Simplify right side
    27,165.12x = 570,882,165.86
  5. Step 5: Solve for x
    x = 570,882,165.86/27,165.12
  6. Step 6: Final answer
    x = 21,015.26

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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.