Home / 28,873.78-43,313.50-12,003.30

Finding the Fourth Proportional to 28,873.78, 43,313.50 and 12,003.30

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Solution

The fourth proportional to 28,873.78, 43,313.50 and 12,003.30 is: 18,006.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,873.78 : 43,313.50 = 12,003.30 : x
  2. Step 2: Convert to fraction form
    28,873.78/43,313.50 = 12,003.30/x
  3. Step 3: Cross multiply
    28,873.78x = 43,313.50 × 12,003.30
  4. Step 4: Simplify right side
    28,873.78x = 519,904,934.55
  5. Step 5: Solve for x
    x = 519,904,934.55/28,873.78
  6. Step 6: Final answer
    x = 18,006.13

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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.