Home / 28,224.68-42,253.97-18,841.42

Finding the Fourth Proportional to 28,224.68, 42,253.97 and 18,841.42

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Solution

The fourth proportional to 28,224.68, 42,253.97 and 18,841.42 is: 28,206.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,224.68 : 42,253.97 = 18,841.42 : x
  2. Step 2: Convert to fraction form
    28,224.68/42,253.97 = 18,841.42/x
  3. Step 3: Cross multiply
    28,224.68x = 42,253.97 × 18,841.42
  4. Step 4: Simplify right side
    28,224.68x = 796,124,939.26
  5. Step 5: Solve for x
    x = 796,124,939.26/28,224.68
  6. Step 6: Final answer
    x = 28,206.70

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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.