Home / 26,684.87-40,026.39-12,651.62

Finding the Fourth Proportional to 26,684.87, 40,026.39 and 12,651.62

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Solution

The fourth proportional to 26,684.87, 40,026.39 and 12,651.62 is: 18,976.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,684.87 : 40,026.39 = 12,651.62 : x
  2. Step 2: Convert to fraction form
    26,684.87/40,026.39 = 12,651.62/x
  3. Step 3: Cross multiply
    26,684.87x = 40,026.39 × 12,651.62
  4. Step 4: Simplify right side
    26,684.87x = 506,398,428.68
  5. Step 5: Solve for x
    x = 506,398,428.68/26,684.87
  6. Step 6: Final answer
    x = 18,976.99

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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.