Home / 39,627.24-54,682.40-22,857

Finding the Fourth Proportional to 39,627.24, 54,682.40 and 22,857

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Solution

The fourth proportional to 39,627.24, 54,682.40 and 22,857 is: 31,540.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,627.24 : 54,682.40 = 22,857 : x
  2. Step 2: Convert to fraction form
    39,627.24/54,682.40 = 22,857/x
  3. Step 3: Cross multiply
    39,627.24x = 54,682.40 × 22,857
  4. Step 4: Simplify right side
    39,627.24x = 1,249,875,616.80
  5. Step 5: Solve for x
    x = 1,249,875,616.80/39,627.24
  6. Step 6: Final answer
    x = 31,540.82

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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.