Home / 26,727.58-36,914.52-18,215.02

Finding the Fourth Proportional to 26,727.58, 36,914.52 and 18,215.02

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Solution

The fourth proportional to 26,727.58, 36,914.52 and 18,215.02 is: 25,157.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,727.58 : 36,914.52 = 18,215.02 : x
  2. Step 2: Convert to fraction form
    26,727.58/36,914.52 = 18,215.02/x
  3. Step 3: Cross multiply
    26,727.58x = 36,914.52 × 18,215.02
  4. Step 4: Simplify right side
    26,727.58x = 672,398,720.09
  5. Step 5: Solve for x
    x = 672,398,720.09/26,727.58
  6. Step 6: Final answer
    x = 25,157.49

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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.