Home / 27,406.62-37,820.39-15,471.07

Finding the Fourth Proportional to 27,406.62, 37,820.39 and 15,471.07

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Solution

The fourth proportional to 27,406.62, 37,820.39 and 15,471.07 is: 21,349.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,406.62 : 37,820.39 = 15,471.07 : x
  2. Step 2: Convert to fraction form
    27,406.62/37,820.39 = 15,471.07/x
  3. Step 3: Cross multiply
    27,406.62x = 37,820.39 × 15,471.07
  4. Step 4: Simplify right side
    27,406.62x = 585,121,729.21
  5. Step 5: Solve for x
    x = 585,121,729.21/27,406.62
  6. Step 6: Final answer
    x = 21,349.65

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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.