Home / 26,926.31-40,389.48-12,117.93

Finding the Fourth Proportional to 26,926.31, 40,389.48 and 12,117.93

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Solution

The fourth proportional to 26,926.31, 40,389.48 and 12,117.93 is: 18,176.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,926.31 : 40,389.48 = 12,117.93 : x
  2. Step 2: Convert to fraction form
    26,926.31/40,389.48 = 12,117.93/x
  3. Step 3: Cross multiply
    26,926.31x = 40,389.48 × 12,117.93
  4. Step 4: Simplify right side
    26,926.31x = 489,436,891.38
  5. Step 5: Solve for x
    x = 489,436,891.38/26,926.31
  6. Step 6: Final answer
    x = 18,176.90

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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.