Home / 28,340.46-42,511.37-13,550.94

Finding the Fourth Proportional to 28,340.46, 42,511.37 and 13,550.94

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Solution

The fourth proportional to 28,340.46, 42,511.37 and 13,550.94 is: 20,326.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,340.46 : 42,511.37 = 13,550.94 : x
  2. Step 2: Convert to fraction form
    28,340.46/42,511.37 = 13,550.94/x
  3. Step 3: Cross multiply
    28,340.46x = 42,511.37 × 13,550.94
  4. Step 4: Simplify right side
    28,340.46x = 576,068,956.43
  5. Step 5: Solve for x
    x = 576,068,956.43/28,340.46
  6. Step 6: Final answer
    x = 20,326.73

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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.