Home / 27,641.14-38,144.45-15,704.22

Finding the Fourth Proportional to 27,641.14, 38,144.45 and 15,704.22

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Solution

The fourth proportional to 27,641.14, 38,144.45 and 15,704.22 is: 21,671.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,641.14 : 38,144.45 = 15,704.22 : x
  2. Step 2: Convert to fraction form
    27,641.14/38,144.45 = 15,704.22/x
  3. Step 3: Cross multiply
    27,641.14x = 38,144.45 × 15,704.22
  4. Step 4: Simplify right side
    27,641.14x = 599,028,565.34
  5. Step 5: Solve for x
    x = 599,028,565.34/27,641.14
  6. Step 6: Final answer
    x = 21,671.63

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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.