Home / 20,550.07-28,364.49-12,053.44

Finding the Fourth Proportional to 20,550.07, 28,364.49 and 12,053.44

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Solution

The fourth proportional to 20,550.07, 28,364.49 and 12,053.44 is: 16,636.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,550.07 : 28,364.49 = 12,053.44 : x
  2. Step 2: Convert to fraction form
    20,550.07/28,364.49 = 12,053.44/x
  3. Step 3: Cross multiply
    20,550.07x = 28,364.49 × 12,053.44
  4. Step 4: Simplify right side
    20,550.07x = 341,889,678.35
  5. Step 5: Solve for x
    x = 341,889,678.35/20,550.07
  6. Step 6: Final answer
    x = 16,636.91

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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.