Home / 28,441.92-42,619.68-18,022.08

Finding the Fourth Proportional to 28,441.92, 42,619.68 and 18,022.08

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Solution

The fourth proportional to 28,441.92, 42,619.68 and 18,022.08 is: 27,005.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,441.92 : 42,619.68 = 18,022.08 : x
  2. Step 2: Convert to fraction form
    28,441.92/42,619.68 = 18,022.08/x
  3. Step 3: Cross multiply
    28,441.92x = 42,619.68 × 18,022.08
  4. Step 4: Simplify right side
    28,441.92x = 768,095,282.53
  5. Step 5: Solve for x
    x = 768,095,282.53/28,441.92
  6. Step 6: Final answer
    x = 27,005.75

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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.