Home / 27,791.24-38,352.48-15,216.08

Finding the Fourth Proportional to 27,791.24, 38,352.48 and 15,216.08

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Solution

The fourth proportional to 27,791.24, 38,352.48 and 15,216.08 is: 20,998.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,791.24 : 38,352.48 = 15,216.08 : x
  2. Step 2: Convert to fraction form
    27,791.24/38,352.48 = 15,216.08/x
  3. Step 3: Cross multiply
    27,791.24x = 38,352.48 × 15,216.08
  4. Step 4: Simplify right side
    27,791.24x = 583,574,403.88
  5. Step 5: Solve for x
    x = 583,574,403.88/27,791.24
  6. Step 6: Final answer
    x = 20,998.50

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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.