Home / 26,276.78-39,344.70-16,396.40

Finding the Fourth Proportional to 26,276.78, 39,344.70 and 16,396.40

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Solution

The fourth proportional to 26,276.78, 39,344.70 and 16,396.40 is: 24,550.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,276.78 : 39,344.70 = 16,396.40 : x
  2. Step 2: Convert to fraction form
    26,276.78/39,344.70 = 16,396.40/x
  3. Step 3: Cross multiply
    26,276.78x = 39,344.70 × 16,396.40
  4. Step 4: Simplify right side
    26,276.78x = 645,111,439.08
  5. Step 5: Solve for x
    x = 645,111,439.08/26,276.78
  6. Step 6: Final answer
    x = 24,550.63

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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.