Home / 26,856.28-40,285.22-12,817.80

Finding the Fourth Proportional to 26,856.28, 40,285.22 and 12,817.80

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Solution

The fourth proportional to 26,856.28, 40,285.22 and 12,817.80 is: 19,227.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,856.28 : 40,285.22 = 12,817.80 : x
  2. Step 2: Convert to fraction form
    26,856.28/40,285.22 = 12,817.80/x
  3. Step 3: Cross multiply
    26,856.28x = 40,285.22 × 12,817.80
  4. Step 4: Simplify right side
    26,856.28x = 516,367,892.92
  5. Step 5: Solve for x
    x = 516,367,892.92/26,856.28
  6. Step 6: Final answer
    x = 19,227.08

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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.