Home / 28,836.66-43,234.23-17,720.39

Finding the Fourth Proportional to 28,836.66, 43,234.23 and 17,720.39

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Solution

The fourth proportional to 28,836.66, 43,234.23 and 17,720.39 is: 26,567.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,836.66 : 43,234.23 = 17,720.39 : x
  2. Step 2: Convert to fraction form
    28,836.66/43,234.23 = 17,720.39/x
  3. Step 3: Cross multiply
    28,836.66x = 43,234.23 × 17,720.39
  4. Step 4: Simplify right side
    28,836.66x = 766,127,200.78
  5. Step 5: Solve for x
    x = 766,127,200.78/28,836.66
  6. Step 6: Final answer
    x = 26,567.82

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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.