Home / 26,928.78-40,393.46-9,398.67

Finding the Fourth Proportional to 26,928.78, 40,393.46 and 9,398.67

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Solution

The fourth proportional to 26,928.78, 40,393.46 and 9,398.67 is: 14,098.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,928.78 : 40,393.46 = 9,398.67 : x
  2. Step 2: Convert to fraction form
    26,928.78/40,393.46 = 9,398.67/x
  3. Step 3: Cross multiply
    26,928.78x = 40,393.46 × 9,398.67
  4. Step 4: Simplify right side
    26,928.78x = 379,644,800.70
  5. Step 5: Solve for x
    x = 379,644,800.70/26,928.78
  6. Step 6: Final answer
    x = 14,098.11

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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.