Home / 26,820.10-40,230.15-16,832.80

Finding the Fourth Proportional to 26,820.10, 40,230.15 and 16,832.80

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Solution

The fourth proportional to 26,820.10, 40,230.15 and 16,832.80 is: 25,249.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,820.10 : 40,230.15 = 16,832.80 : x
  2. Step 2: Convert to fraction form
    26,820.10/40,230.15 = 16,832.80/x
  3. Step 3: Cross multiply
    26,820.10x = 40,230.15 × 16,832.80
  4. Step 4: Simplify right side
    26,820.10x = 677,186,068.92
  5. Step 5: Solve for x
    x = 677,186,068.92/26,820.10
  6. Step 6: Final answer
    x = 25,249.20

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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.