Home / 27,150.68-37,460.84-15,662.81

Finding the Fourth Proportional to 27,150.68, 37,460.84 and 15,662.81

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Solution

The fourth proportional to 27,150.68, 37,460.84 and 15,662.81 is: 21,610.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,150.68 : 37,460.84 = 15,662.81 : x
  2. Step 2: Convert to fraction form
    27,150.68/37,460.84 = 15,662.81/x
  3. Step 3: Cross multiply
    27,150.68x = 37,460.84 × 15,662.81
  4. Step 4: Simplify right side
    27,150.68x = 586,741,753.74
  5. Step 5: Solve for x
    x = 586,741,753.74/27,150.68
  6. Step 6: Final answer
    x = 21,610.58

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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.