Home / 26,853.26-40,260.68-12,613.76

Finding the Fourth Proportional to 26,853.26, 40,260.68 and 12,613.76

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Solution

The fourth proportional to 26,853.26, 40,260.68 and 12,613.76 is: 18,911.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,853.26 : 40,260.68 = 12,613.76 : x
  2. Step 2: Convert to fraction form
    26,853.26/40,260.68 = 12,613.76/x
  3. Step 3: Cross multiply
    26,853.26x = 40,260.68 × 12,613.76
  4. Step 4: Simplify right side
    26,853.26x = 507,838,488.86
  5. Step 5: Solve for x
    x = 507,838,488.86/26,853.26
  6. Step 6: Final answer
    x = 18,911.62

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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.