Home / 28,203.26-42,293.96-15,048.46

Finding the Fourth Proportional to 28,203.26, 42,293.96 and 15,048.46

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Solution

The fourth proportional to 28,203.26, 42,293.96 and 15,048.46 is: 22,566.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,203.26 : 42,293.96 = 15,048.46 : x
  2. Step 2: Convert to fraction form
    28,203.26/42,293.96 = 15,048.46/x
  3. Step 3: Cross multiply
    28,203.26x = 42,293.96 × 15,048.46
  4. Step 4: Simplify right side
    28,203.26x = 636,458,719.13
  5. Step 5: Solve for x
    x = 636,458,719.13/28,203.26
  6. Step 6: Final answer
    x = 22,566.85

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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.