Home / 27,286.20-37,652.85-15,347.16

Finding the Fourth Proportional to 27,286.20, 37,652.85 and 15,347.16

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Solution

The fourth proportional to 27,286.20, 37,652.85 and 15,347.16 is: 21,177.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,286.20 : 37,652.85 = 15,347.16 : x
  2. Step 2: Convert to fraction form
    27,286.20/37,652.85 = 15,347.16/x
  3. Step 3: Cross multiply
    27,286.20x = 37,652.85 × 15,347.16
  4. Step 4: Simplify right side
    27,286.20x = 577,864,313.41
  5. Step 5: Solve for x
    x = 577,864,313.41/27,286.20
  6. Step 6: Final answer
    x = 21,177.90

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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.