Home / 20,005.04-27,607.92-12,049.76

Finding the Fourth Proportional to 20,005.04, 27,607.92 and 12,049.76

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Solution

The fourth proportional to 20,005.04, 27,607.92 and 12,049.76 is: 16,629.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,005.04 : 27,607.92 = 12,049.76 : x
  2. Step 2: Convert to fraction form
    20,005.04/27,607.92 = 12,049.76/x
  3. Step 3: Cross multiply
    20,005.04x = 27,607.92 × 12,049.76
  4. Step 4: Simplify right side
    20,005.04x = 332,668,810.10
  5. Step 5: Solve for x
    x = 332,668,810.10/20,005.04
  6. Step 6: Final answer
    x = 16,629.25

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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.