Home / 28,891.56-43,337.20-9,169.68

Finding the Fourth Proportional to 28,891.56, 43,337.20 and 9,169.68

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Solution

The fourth proportional to 28,891.56, 43,337.20 and 9,169.68 is: 13,754.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,891.56 : 43,337.20 = 9,169.68 : x
  2. Step 2: Convert to fraction form
    28,891.56/43,337.20 = 9,169.68/x
  3. Step 3: Cross multiply
    28,891.56x = 43,337.20 × 9,169.68
  4. Step 4: Simplify right side
    28,891.56x = 397,388,256.10
  5. Step 5: Solve for x
    x = 397,388,256.10/28,891.56
  6. Step 6: Final answer
    x = 13,754.48

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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.