Home / 28,424.85-42,612.97-10,907.25

Finding the Fourth Proportional to 28,424.85, 42,612.97 and 10,907.25

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Solution

The fourth proportional to 28,424.85, 42,612.97 and 10,907.25 is: 16,351.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,424.85 : 42,612.97 = 10,907.25 : x
  2. Step 2: Convert to fraction form
    28,424.85/42,612.97 = 10,907.25/x
  3. Step 3: Cross multiply
    28,424.85x = 42,612.97 × 10,907.25
  4. Step 4: Simplify right side
    28,424.85x = 464,790,317.03
  5. Step 5: Solve for x
    x = 464,790,317.03/28,424.85
  6. Step 6: Final answer
    x = 16,351.55

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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.