Home / 26,989.97-40,489.72-9,216.47

Finding the Fourth Proportional to 26,989.97, 40,489.72 and 9,216.47

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Solution

The fourth proportional to 26,989.97, 40,489.72 and 9,216.47 is: 13,826.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,989.97 : 40,489.72 = 9,216.47 : x
  2. Step 2: Convert to fraction form
    26,989.97/40,489.72 = 9,216.47/x
  3. Step 3: Cross multiply
    26,989.97x = 40,489.72 × 9,216.47
  4. Step 4: Simplify right side
    26,989.97x = 373,172,175.69
  5. Step 5: Solve for x
    x = 373,172,175.69/26,989.97
  6. Step 6: Final answer
    x = 13,826.33

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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.