Home / 26,856.62-40,285.72-12,818.14

Finding the Fourth Proportional to 26,856.62, 40,285.72 and 12,818.14

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Solution

The fourth proportional to 26,856.62, 40,285.72 and 12,818.14 is: 19,227.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,856.62 : 40,285.72 = 12,818.14 : x
  2. Step 2: Convert to fraction form
    26,856.62/40,285.72 = 12,818.14/x
  3. Step 3: Cross multiply
    26,856.62x = 40,285.72 × 12,818.14
  4. Step 4: Simplify right side
    26,856.62x = 516,387,914.27
  5. Step 5: Solve for x
    x = 516,387,914.27/26,856.62
  6. Step 6: Final answer
    x = 19,227.58

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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.