Home / 28,200.87-42,290.37-15,046.07

Finding the Fourth Proportional to 28,200.87, 42,290.37 and 15,046.07

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Solution

The fourth proportional to 28,200.87, 42,290.37 and 15,046.07 is: 22,563.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,200.87 : 42,290.37 = 15,046.07 : x
  2. Step 2: Convert to fraction form
    28,200.87/42,290.37 = 15,046.07/x
  3. Step 3: Cross multiply
    28,200.87x = 42,290.37 × 15,046.07
  4. Step 4: Simplify right side
    28,200.87x = 636,303,655.89
  5. Step 5: Solve for x
    x = 636,303,655.89/28,200.87
  6. Step 6: Final answer
    x = 22,563.26

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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.