Home / 28,214.24-42,351.14-27,578.80

Finding the Fourth Proportional to 28,214.24, 42,351.14 and 27,578.80

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Solution

The fourth proportional to 28,214.24, 42,351.14 and 27,578.80 is: 41,397.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,214.24 : 42,351.14 = 27,578.80 : x
  2. Step 2: Convert to fraction form
    28,214.24/42,351.14 = 27,578.80/x
  3. Step 3: Cross multiply
    28,214.24x = 42,351.14 × 27,578.80
  4. Step 4: Simplify right side
    28,214.24x = 1,167,993,619.83
  5. Step 5: Solve for x
    x = 1,167,993,619.83/28,214.24
  6. Step 6: Final answer
    x = 41,397.31

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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.