Home / 27,872.10-41,808.15-18,524.70

Finding the Fourth Proportional to 27,872.10, 41,808.15 and 18,524.70

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Solution

The fourth proportional to 27,872.10, 41,808.15 and 18,524.70 is: 27,787.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,872.10 : 41,808.15 = 18,524.70 : x
  2. Step 2: Convert to fraction form
    27,872.10/41,808.15 = 18,524.70/x
  3. Step 3: Cross multiply
    27,872.10x = 41,808.15 × 18,524.70
  4. Step 4: Simplify right side
    27,872.10x = 774,483,436.31
  5. Step 5: Solve for x
    x = 774,483,436.31/27,872.10
  6. Step 6: Final answer
    x = 27,787.05

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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.