Home / 27,576.96-38,056.32-16,398.72

Finding the Fourth Proportional to 27,576.96, 38,056.32 and 16,398.72

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Solution

The fourth proportional to 27,576.96, 38,056.32 and 16,398.72 is: 22,630.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,576.96 : 38,056.32 = 16,398.72 : x
  2. Step 2: Convert to fraction form
    27,576.96/38,056.32 = 16,398.72/x
  3. Step 3: Cross multiply
    27,576.96x = 38,056.32 × 16,398.72
  4. Step 4: Simplify right side
    27,576.96x = 624,074,935.91
  5. Step 5: Solve for x
    x = 624,074,935.91/27,576.96
  6. Step 6: Final answer
    x = 22,630.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.