Home / 28,043.82-42,054.21-10,504.62

Finding the Fourth Proportional to 28,043.82, 42,054.21 and 10,504.62

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Solution

The fourth proportional to 28,043.82, 42,054.21 and 10,504.62 is: 15,752.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,043.82 : 42,054.21 = 10,504.62 : x
  2. Step 2: Convert to fraction form
    28,043.82/42,054.21 = 10,504.62/x
  3. Step 3: Cross multiply
    28,043.82x = 42,054.21 × 10,504.62
  4. Step 4: Simplify right side
    28,043.82x = 441,763,495.45
  5. Step 5: Solve for x
    x = 441,763,495.45/28,043.82
  6. Step 6: Final answer
    x = 15,752.61

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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.