Home / 28,070.56-42,084.24-11,201.68

Finding the Fourth Proportional to 28,070.56, 42,084.24 and 11,201.68

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Solution

The fourth proportional to 28,070.56, 42,084.24 and 11,201.68 is: 16,793.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,070.56 : 42,084.24 = 11,201.68 : x
  2. Step 2: Convert to fraction form
    28,070.56/42,084.24 = 11,201.68/x
  3. Step 3: Cross multiply
    28,070.56x = 42,084.24 × 11,201.68
  4. Step 4: Simplify right side
    28,070.56x = 471,414,189.52
  5. Step 5: Solve for x
    x = 471,414,189.52/28,070.56
  6. Step 6: Final answer
    x = 16,793.90

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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.