Home / 26,841.70-40,230.15-13,687.30

Finding the Fourth Proportional to 26,841.70, 40,230.15 and 13,687.30

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Solution

The fourth proportional to 26,841.70, 40,230.15 and 13,687.30 is: 20,514.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,841.70 : 40,230.15 = 13,687.30 : x
  2. Step 2: Convert to fraction form
    26,841.70/40,230.15 = 13,687.30/x
  3. Step 3: Cross multiply
    26,841.70x = 40,230.15 × 13,687.30
  4. Step 4: Simplify right side
    26,841.70x = 550,642,132.10
  5. Step 5: Solve for x
    x = 550,642,132.10/26,841.70
  6. Step 6: Final answer
    x = 20,514.43

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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.