Home / 20,005.79-27,604.14-12,048.53

Finding the Fourth Proportional to 20,005.79, 27,604.14 and 12,048.53

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Solution

The fourth proportional to 20,005.79, 27,604.14 and 12,048.53 is: 16,624.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,005.79 : 27,604.14 = 12,048.53 : x
  2. Step 2: Convert to fraction form
    20,005.79/27,604.14 = 12,048.53/x
  3. Step 3: Cross multiply
    20,005.79x = 27,604.14 × 12,048.53
  4. Step 4: Simplify right side
    20,005.79x = 332,589,308.91
  5. Step 5: Solve for x
    x = 332,589,308.91/20,005.79
  6. Step 6: Final answer
    x = 16,624.65

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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.