Home / 26,803.90-40,192.85-8,080.45

Finding the Fourth Proportional to 26,803.90, 40,192.85 and 8,080.45

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Solution

The fourth proportional to 26,803.90, 40,192.85 and 8,080.45 is: 12,116.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,803.90 : 40,192.85 = 8,080.45 : x
  2. Step 2: Convert to fraction form
    26,803.90/40,192.85 = 8,080.45/x
  3. Step 3: Cross multiply
    26,803.90x = 40,192.85 × 8,080.45
  4. Step 4: Simplify right side
    26,803.90x = 324,776,073.42
  5. Step 5: Solve for x
    x = 324,776,073.42/26,803.90
  6. Step 6: Final answer
    x = 12,116.75

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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.