Home / 26,926.56-40,393.68-8,460

Finding the Fourth Proportional to 26,926.56, 40,393.68 and 8,460

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Solution

The fourth proportional to 26,926.56, 40,393.68 and 8,460 is: 12,691.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,926.56 : 40,393.68 = 8,460 : x
  2. Step 2: Convert to fraction form
    26,926.56/40,393.68 = 8,460/x
  3. Step 3: Cross multiply
    26,926.56x = 40,393.68 × 8,460
  4. Step 4: Simplify right side
    26,926.56x = 341,730,532.80
  5. Step 5: Solve for x
    x = 341,730,532.80/26,926.56
  6. Step 6: Final answer
    x = 12,691.21

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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.