Home / 26,989.76-40,485.86-8,268.43

Finding the Fourth Proportional to 26,989.76, 40,485.86 and 8,268.43

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Solution

The fourth proportional to 26,989.76, 40,485.86 and 8,268.43 is: 12,403.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,989.76 : 40,485.86 = 8,268.43 : x
  2. Step 2: Convert to fraction form
    26,989.76/40,485.86 = 8,268.43/x
  3. Step 3: Cross multiply
    26,989.76x = 40,485.86 × 8,268.43
  4. Step 4: Simplify right side
    26,989.76x = 334,754,499.40
  5. Step 5: Solve for x
    x = 334,754,499.40/26,989.76
  6. Step 6: Final answer
    x = 12,403.02

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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.