Home / 28,874.32-39,843.19-16,124.87

Finding the Fourth Proportional to 28,874.32, 39,843.19 and 16,124.87

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Solution

The fourth proportional to 28,874.32, 39,843.19 and 16,124.87 is: 22,250.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,874.32 : 39,843.19 = 16,124.87 : x
  2. Step 2: Convert to fraction form
    28,874.32/39,843.19 = 16,124.87/x
  3. Step 3: Cross multiply
    28,874.32x = 39,843.19 × 16,124.87
  4. Step 4: Simplify right side
    28,874.32x = 642,466,378.90
  5. Step 5: Solve for x
    x = 642,466,378.90/28,874.32
  6. Step 6: Final answer
    x = 22,250.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.