Home / 28,793.36-43,212.82-12,164.87

Finding the Fourth Proportional to 28,793.36, 43,212.82 and 12,164.87

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Solution

The fourth proportional to 28,793.36, 43,212.82 and 12,164.87 is: 18,256.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,793.36 : 43,212.82 = 12,164.87 : x
  2. Step 2: Convert to fraction form
    28,793.36/43,212.82 = 12,164.87/x
  3. Step 3: Cross multiply
    28,793.36x = 43,212.82 × 12,164.87
  4. Step 4: Simplify right side
    28,793.36x = 525,678,337.63
  5. Step 5: Solve for x
    x = 525,678,337.63/28,793.36
  6. Step 6: Final answer
    x = 18,256.93

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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.