Home / 28,395.48-42,593.22-7,619.52

Finding the Fourth Proportional to 28,395.48, 42,593.22 and 7,619.52

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Solution

The fourth proportional to 28,395.48, 42,593.22 and 7,619.52 is: 11,429.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,395.48 : 42,593.22 = 7,619.52 : x
  2. Step 2: Convert to fraction form
    28,395.48/42,593.22 = 7,619.52/x
  3. Step 3: Cross multiply
    28,395.48x = 42,593.22 × 7,619.52
  4. Step 4: Simplify right side
    28,395.48x = 324,539,891.65
  5. Step 5: Solve for x
    x = 324,539,891.65/28,395.48
  6. Step 6: Final answer
    x = 11,429.28

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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.