Home / 26,878.32-37,108.68-17,321.58

Finding the Fourth Proportional to 26,878.32, 37,108.68 and 17,321.58

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Solution

The fourth proportional to 26,878.32, 37,108.68 and 17,321.58 is: 23,914.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,878.32 : 37,108.68 = 17,321.58 : x
  2. Step 2: Convert to fraction form
    26,878.32/37,108.68 = 17,321.58/x
  3. Step 3: Cross multiply
    26,878.32x = 37,108.68 × 17,321.58
  4. Step 4: Simplify right side
    26,878.32x = 642,780,969.31
  5. Step 5: Solve for x
    x = 642,780,969.31/26,878.32
  6. Step 6: Final answer
    x = 23,914.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.