Home / 28,198.47-42,297.99-11,339.28

Finding the Fourth Proportional to 28,198.47, 42,297.99 and 11,339.28

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Solution

The fourth proportional to 28,198.47, 42,297.99 and 11,339.28 is: 17,009.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,198.47 : 42,297.99 = 11,339.28 : x
  2. Step 2: Convert to fraction form
    28,198.47/42,297.99 = 11,339.28/x
  3. Step 3: Cross multiply
    28,198.47x = 42,297.99 × 11,339.28
  4. Step 4: Simplify right side
    28,198.47x = 479,628,752.05
  5. Step 5: Solve for x
    x = 479,628,752.05/28,198.47
  6. Step 6: Final answer
    x = 17,009.03

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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.