Home / 26,929.62-40,376.19-9,389.88

Finding the Fourth Proportional to 26,929.62, 40,376.19 and 9,389.88

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Solution

The fourth proportional to 26,929.62, 40,376.19 and 9,389.88 is: 14,078.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,929.62 : 40,376.19 = 9,389.88 : x
  2. Step 2: Convert to fraction form
    26,929.62/40,376.19 = 9,389.88/x
  3. Step 3: Cross multiply
    26,929.62x = 40,376.19 × 9,389.88
  4. Step 4: Simplify right side
    26,929.62x = 379,127,578.96
  5. Step 5: Solve for x
    x = 379,127,578.96/26,929.62
  6. Step 6: Final answer
    x = 14,078.46

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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.