Home / 27,415.27-37,832.74-15,479.11

Finding the Fourth Proportional to 27,415.27, 37,832.74 and 15,479.11

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Solution

The fourth proportional to 27,415.27, 37,832.74 and 15,479.11 is: 21,360.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,415.27 : 37,832.74 = 15,479.11 : x
  2. Step 2: Convert to fraction form
    27,415.27/37,832.74 = 15,479.11/x
  3. Step 3: Cross multiply
    27,415.27x = 37,832.74 × 15,479.11
  4. Step 4: Simplify right side
    27,415.27x = 585,617,010.78
  5. Step 5: Solve for x
    x = 585,617,010.78/27,415.27
  6. Step 6: Final answer
    x = 21,360.98

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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.