Home / 26,673.60-36,813.98-20,321.18

Finding the Fourth Proportional to 26,673.60, 36,813.98 and 20,321.18

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Solution

The fourth proportional to 26,673.60, 36,813.98 and 20,321.18 is: 28,046.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,673.60 : 36,813.98 = 20,321.18 : x
  2. Step 2: Convert to fraction form
    26,673.60/36,813.98 = 20,321.18/x
  3. Step 3: Cross multiply
    26,673.60x = 36,813.98 × 20,321.18
  4. Step 4: Simplify right side
    26,673.60x = 748,103,514.10
  5. Step 5: Solve for x
    x = 748,103,514.10/26,673.60
  6. Step 6: Final answer
    x = 28,046.59

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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.