Home / 27,872.10-41,787.90-13,073.40

Finding the Fourth Proportional to 27,872.10, 41,787.90 and 13,073.40

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Solution

The fourth proportional to 27,872.10, 41,787.90 and 13,073.40 is: 19,600.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,872.10 : 41,787.90 = 13,073.40 : x
  2. Step 2: Convert to fraction form
    27,872.10/41,787.90 = 13,073.40/x
  3. Step 3: Cross multiply
    27,872.10x = 41,787.90 × 13,073.40
  4. Step 4: Simplify right side
    27,872.10x = 546,309,931.86
  5. Step 5: Solve for x
    x = 546,309,931.86/27,872.10
  6. Step 6: Final answer
    x = 19,600.60

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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.