Home / 27,028.20-40,542.30-13,881.90

Finding the Fourth Proportional to 27,028.20, 40,542.30 and 13,881.90

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Solution

The fourth proportional to 27,028.20, 40,542.30 and 13,881.90 is: 20,822.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,028.20 : 40,542.30 = 13,881.90 : x
  2. Step 2: Convert to fraction form
    27,028.20/40,542.30 = 13,881.90/x
  3. Step 3: Cross multiply
    27,028.20x = 40,542.30 × 13,881.90
  4. Step 4: Simplify right side
    27,028.20x = 562,804,154.37
  5. Step 5: Solve for x
    x = 562,804,154.37/27,028.20
  6. Step 6: Final answer
    x = 20,822.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.