Home / 26,689.95-40,039.25-8,217.63

Finding the Fourth Proportional to 26,689.95, 40,039.25 and 8,217.63

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Solution

The fourth proportional to 26,689.95, 40,039.25 and 8,217.63 is: 12,327.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,689.95 : 40,039.25 = 8,217.63 : x
  2. Step 2: Convert to fraction form
    26,689.95/40,039.25 = 8,217.63/x
  3. Step 3: Cross multiply
    26,689.95x = 40,039.25 × 8,217.63
  4. Step 4: Simplify right side
    26,689.95x = 329,027,741.98
  5. Step 5: Solve for x
    x = 329,027,741.98/26,689.95
  6. Step 6: Final answer
    x = 12,327.78

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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.