Home / 28,490.24-42,734.88-10,963.86

Finding the Fourth Proportional to 28,490.24, 42,734.88 and 10,963.86

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Solution

The fourth proportional to 28,490.24, 42,734.88 and 10,963.86 is: 16,445.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,490.24 : 42,734.88 = 10,963.86 : x
  2. Step 2: Convert to fraction form
    28,490.24/42,734.88 = 10,963.86/x
  3. Step 3: Cross multiply
    28,490.24x = 42,734.88 × 10,963.86
  4. Step 4: Simplify right side
    28,490.24x = 468,539,241.44
  5. Step 5: Solve for x
    x = 468,539,241.44/28,490.24
  6. Step 6: Final answer
    x = 16,445.61

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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.