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Finding the Fourth Proportional to 25,752.56, 38,628.84 and 16,576.88

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Solution

The fourth proportional to 25,752.56, 38,628.84 and 16,576.88 is: 24,865.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,752.56 : 38,628.84 = 16,576.88 : x
  2. Step 2: Convert to fraction form
    25,752.56/38,628.84 = 16,576.88/x
  3. Step 3: Cross multiply
    25,752.56x = 38,628.84 × 16,576.88
  4. Step 4: Simplify right side
    25,752.56x = 640,345,645.22
  5. Step 5: Solve for x
    x = 640,345,645.22/25,752.56
  6. Step 6: Final answer
    x = 24,865.32

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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.