Home / 26,899.44-37,089.55-18,405.68

Finding the Fourth Proportional to 26,899.44, 37,089.55 and 18,405.68

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Solution

The fourth proportional to 26,899.44, 37,089.55 and 18,405.68 is: 25,378.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,899.44 : 37,089.55 = 18,405.68 : x
  2. Step 2: Convert to fraction form
    26,899.44/37,089.55 = 18,405.68/x
  3. Step 3: Cross multiply
    26,899.44x = 37,089.55 × 18,405.68
  4. Step 4: Simplify right side
    26,899.44x = 682,658,331.30
  5. Step 5: Solve for x
    x = 682,658,331.30/26,899.44
  6. Step 6: Final answer
    x = 25,378.16

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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.