Home / 28,816.74-43,229.60-12,176.86

Finding the Fourth Proportional to 28,816.74, 43,229.60 and 12,176.86

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Solution

The fourth proportional to 28,816.74, 43,229.60 and 12,176.86 is: 18,267.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,816.74 : 43,229.60 = 12,176.86 : x
  2. Step 2: Convert to fraction form
    28,816.74/43,229.60 = 12,176.86/x
  3. Step 3: Cross multiply
    28,816.74x = 43,229.60 × 12,176.86
  4. Step 4: Simplify right side
    28,816.74x = 526,400,787.06
  5. Step 5: Solve for x
    x = 526,400,787.06/28,816.74
  6. Step 6: Final answer
    x = 18,267.19

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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.