Home / 28,800.08-43,205.97-12,160.16

Finding the Fourth Proportional to 28,800.08, 43,205.97 and 12,160.16

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Solution

The fourth proportional to 28,800.08, 43,205.97 and 12,160.16 is: 18,242.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,800.08 : 43,205.97 = 12,160.16 : x
  2. Step 2: Convert to fraction form
    28,800.08/43,205.97 = 12,160.16/x
  3. Step 3: Cross multiply
    28,800.08x = 43,205.97 × 12,160.16
  4. Step 4: Simplify right side
    28,800.08x = 525,391,508.16
  5. Step 5: Solve for x
    x = 525,391,508.16/28,800.08
  6. Step 6: Final answer
    x = 18,242.71

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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.