Home / 18,091.32-27,112.32-17,559.36

Finding the Fourth Proportional to 18,091.32, 27,112.32 and 17,559.36

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Solution

The fourth proportional to 18,091.32, 27,112.32 and 17,559.36 is: 26,315.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,091.32 : 27,112.32 = 17,559.36 : x
  2. Step 2: Convert to fraction form
    18,091.32/27,112.32 = 17,559.36/x
  3. Step 3: Cross multiply
    18,091.32x = 27,112.32 × 17,559.36
  4. Step 4: Simplify right side
    18,091.32x = 476,074,987.32
  5. Step 5: Solve for x
    x = 476,074,987.32/18,091.32
  6. Step 6: Final answer
    x = 26,315.11

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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.