Home / 26,387.96-39,505.32-18,480.68

Finding the Fourth Proportional to 26,387.96, 39,505.32 and 18,480.68

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Solution

The fourth proportional to 26,387.96, 39,505.32 and 18,480.68 is: 27,667.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,387.96 : 39,505.32 = 18,480.68 : x
  2. Step 2: Convert to fraction form
    26,387.96/39,505.32 = 18,480.68/x
  3. Step 3: Cross multiply
    26,387.96x = 39,505.32 × 18,480.68
  4. Step 4: Simplify right side
    26,387.96x = 730,085,177.22
  5. Step 5: Solve for x
    x = 730,085,177.22/26,387.96
  6. Step 6: Final answer
    x = 27,667.36

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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.