Home / 20,234.48-27,925.56-12,276.08

Finding the Fourth Proportional to 20,234.48, 27,925.56 and 12,276.08

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Solution

The fourth proportional to 20,234.48, 27,925.56 and 12,276.08 is: 16,942.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,234.48 : 27,925.56 = 12,276.08 : x
  2. Step 2: Convert to fraction form
    20,234.48/27,925.56 = 12,276.08/x
  3. Step 3: Cross multiply
    20,234.48x = 27,925.56 × 12,276.08
  4. Step 4: Simplify right side
    20,234.48x = 342,816,408.60
  5. Step 5: Solve for x
    x = 342,816,408.60/20,234.48
  6. Step 6: Final answer
    x = 16,942.19

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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.