Home / 27,836.28-38,416.76-15,900.52

Finding the Fourth Proportional to 27,836.28, 38,416.76 and 15,900.52

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Solution

The fourth proportional to 27,836.28, 38,416.76 and 15,900.52 is: 21,944.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,836.28 : 38,416.76 = 15,900.52 : x
  2. Step 2: Convert to fraction form
    27,836.28/38,416.76 = 15,900.52/x
  3. Step 3: Cross multiply
    27,836.28x = 38,416.76 × 15,900.52
  4. Step 4: Simplify right side
    27,836.28x = 610,846,460.72
  5. Step 5: Solve for x
    x = 610,846,460.72/27,836.28
  6. Step 6: Final answer
    x = 21,944.26

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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.