Home / 18,671.73-28,007.61-5,525.08

Finding the Fourth Proportional to 18,671.73, 28,007.61 and 5,525.08

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Solution

The fourth proportional to 18,671.73, 28,007.61 and 5,525.08 is: 8,287.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,671.73 : 28,007.61 = 5,525.08 : x
  2. Step 2: Convert to fraction form
    18,671.73/28,007.61 = 5,525.08/x
  3. Step 3: Cross multiply
    18,671.73x = 28,007.61 × 5,525.08
  4. Step 4: Simplify right side
    18,671.73x = 154,744,285.86
  5. Step 5: Solve for x
    x = 154,744,285.86/18,671.73
  6. Step 6: Final answer
    x = 8,287.62

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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.