Home / 26,926.86-40,387.20-7,206.96

Finding the Fourth Proportional to 26,926.86, 40,387.20 and 7,206.96

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Solution

The fourth proportional to 26,926.86, 40,387.20 and 7,206.96 is: 10,809.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,926.86 : 40,387.20 = 7,206.96 : x
  2. Step 2: Convert to fraction form
    26,926.86/40,387.20 = 7,206.96/x
  3. Step 3: Cross multiply
    26,926.86x = 40,387.20 × 7,206.96
  4. Step 4: Simplify right side
    26,926.86x = 291,068,934.91
  5. Step 5: Solve for x
    x = 291,068,934.91/26,926.86
  6. Step 6: Final answer
    x = 10,809.61

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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.