Home / 28,930.37-43,404.89-12,304.38

Finding the Fourth Proportional to 28,930.37, 43,404.89 and 12,304.38

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Solution

The fourth proportional to 28,930.37, 43,404.89 and 12,304.38 is: 18,460.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,930.37 : 43,404.89 = 12,304.38 : x
  2. Step 2: Convert to fraction form
    28,930.37/43,404.89 = 12,304.38/x
  3. Step 3: Cross multiply
    28,930.37x = 43,404.89 × 12,304.38
  4. Step 4: Simplify right side
    28,930.37x = 534,070,274.19
  5. Step 5: Solve for x
    x = 534,070,274.19/28,930.37
  6. Step 6: Final answer
    x = 18,460.54

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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.