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Finding the Fourth Proportional to 26,473.92, 39,710.88 and 10,880.64

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Solution

The fourth proportional to 26,473.92, 39,710.88 and 10,880.64 is: 16,320.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,473.92 : 39,710.88 = 10,880.64 : x
  2. Step 2: Convert to fraction form
    26,473.92/39,710.88 = 10,880.64/x
  3. Step 3: Cross multiply
    26,473.92x = 39,710.88 × 10,880.64
  4. Step 4: Simplify right side
    26,473.92x = 432,079,789.36
  5. Step 5: Solve for x
    x = 432,079,789.36/26,473.92
  6. Step 6: Final answer
    x = 16,320.96

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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.