Home / 28,724.62-39,641.80-16,150.18

Finding the Fourth Proportional to 28,724.62, 39,641.80 and 16,150.18

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Solution

The fourth proportional to 28,724.62, 39,641.80 and 16,150.18 is: 22,288.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,724.62 : 39,641.80 = 16,150.18 : x
  2. Step 2: Convert to fraction form
    28,724.62/39,641.80 = 16,150.18/x
  3. Step 3: Cross multiply
    28,724.62x = 39,641.80 × 16,150.18
  4. Step 4: Simplify right side
    28,724.62x = 640,222,205.52
  5. Step 5: Solve for x
    x = 640,222,205.52/28,724.62
  6. Step 6: Final answer
    x = 22,288.27

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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.