Home / 26,881.94-40,309.02-12,078.20

Finding the Fourth Proportional to 26,881.94, 40,309.02 and 12,078.20

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Solution

The fourth proportional to 26,881.94, 40,309.02 and 12,078.20 is: 18,111.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,881.94 : 40,309.02 = 12,078.20 : x
  2. Step 2: Convert to fraction form
    26,881.94/40,309.02 = 12,078.20/x
  3. Step 3: Cross multiply
    26,881.94x = 40,309.02 × 12,078.20
  4. Step 4: Simplify right side
    26,881.94x = 486,860,405.36
  5. Step 5: Solve for x
    x = 486,860,405.36/26,881.94
  6. Step 6: Final answer
    x = 18,111.06

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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.