Home / 26,618.74-39,889.82-18,308.14

Finding the Fourth Proportional to 26,618.74, 39,889.82 and 18,308.14

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Solution

The fourth proportional to 26,618.74, 39,889.82 and 18,308.14 is: 27,435.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,618.74 : 39,889.82 = 18,308.14 : x
  2. Step 2: Convert to fraction form
    26,618.74/39,889.82 = 18,308.14/x
  3. Step 3: Cross multiply
    26,618.74x = 39,889.82 × 18,308.14
  4. Step 4: Simplify right side
    26,618.74x = 730,308,409.13
  5. Step 5: Solve for x
    x = 730,308,409.13/26,618.74
  6. Step 6: Final answer
    x = 27,435.87

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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.