Home / 28,727.60-43,033.80-16,401.20

Finding the Fourth Proportional to 28,727.60, 43,033.80 and 16,401.20

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Solution

The fourth proportional to 28,727.60, 43,033.80 and 16,401.20 is: 24,568.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,727.60 : 43,033.80 = 16,401.20 : x
  2. Step 2: Convert to fraction form
    28,727.60/43,033.80 = 16,401.20/x
  3. Step 3: Cross multiply
    28,727.60x = 43,033.80 × 16,401.20
  4. Step 4: Simplify right side
    28,727.60x = 705,805,960.56
  5. Step 5: Solve for x
    x = 705,805,960.56/28,727.60
  6. Step 6: Final answer
    x = 24,568.91

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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.