Home / 26,929.78-40,394.96-9,399.66

Finding the Fourth Proportional to 26,929.78, 40,394.96 and 9,399.66

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Solution

The fourth proportional to 26,929.78, 40,394.96 and 9,399.66 is: 14,099.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,929.78 : 40,394.96 = 9,399.66 : x
  2. Step 2: Convert to fraction form
    26,929.78/40,394.96 = 9,399.66/x
  3. Step 3: Cross multiply
    26,929.78x = 40,394.96 × 9,399.66
  4. Step 4: Simplify right side
    26,929.78x = 379,698,889.71
  5. Step 5: Solve for x
    x = 379,698,889.71/26,929.78
  6. Step 6: Final answer
    x = 14,099.59

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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.