Home / 26,915.20-40,359.84-9,384.64

Finding the Fourth Proportional to 26,915.20, 40,359.84 and 9,384.64

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Solution

The fourth proportional to 26,915.20, 40,359.84 and 9,384.64 is: 14,072.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,915.20 : 40,359.84 = 9,384.64 : x
  2. Step 2: Convert to fraction form
    26,915.20/40,359.84 = 9,384.64/x
  3. Step 3: Cross multiply
    26,915.20x = 40,359.84 × 9,384.64
  4. Step 4: Simplify right side
    26,915.20x = 378,762,568.86
  5. Step 5: Solve for x
    x = 378,762,568.86/26,915.20
  6. Step 6: Final answer
    x = 14,072.44

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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.