Home / 27,752.56-38,299.44-15,177.32

Finding the Fourth Proportional to 27,752.56, 38,299.44 and 15,177.32

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Solution

The fourth proportional to 27,752.56, 38,299.44 and 15,177.32 is: 20,945.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,752.56 : 38,299.44 = 15,177.32 : x
  2. Step 2: Convert to fraction form
    27,752.56/38,299.44 = 15,177.32/x
  3. Step 3: Cross multiply
    27,752.56x = 38,299.44 × 15,177.32
  4. Step 4: Simplify right side
    27,752.56x = 581,282,856.70
  5. Step 5: Solve for x
    x = 581,282,856.70/27,752.56
  6. Step 6: Final answer
    x = 20,945.20

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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.