Home / 27,874.24-38,464.48-15,296.64

Finding the Fourth Proportional to 27,874.24, 38,464.48 and 15,296.64

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Solution

The fourth proportional to 27,874.24, 38,464.48 and 15,296.64 is: 21,108.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,874.24 : 38,464.48 = 15,296.64 : x
  2. Step 2: Convert to fraction form
    27,874.24/38,464.48 = 15,296.64/x
  3. Step 3: Cross multiply
    27,874.24x = 38,464.48 × 15,296.64
  4. Step 4: Simplify right side
    27,874.24x = 588,377,303.35
  5. Step 5: Solve for x
    x = 588,377,303.35/27,874.24
  6. Step 6: Final answer
    x = 21,108.28

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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.