Home / 27,520.13-41,269.72-11,715.19

Finding the Fourth Proportional to 27,520.13, 41,269.72 and 11,715.19

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Solution

The fourth proportional to 27,520.13, 41,269.72 and 11,715.19 is: 17,568.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,520.13 : 41,269.72 = 11,715.19 : x
  2. Step 2: Convert to fraction form
    27,520.13/41,269.72 = 11,715.19/x
  3. Step 3: Cross multiply
    27,520.13x = 41,269.72 × 11,715.19
  4. Step 4: Simplify right side
    27,520.13x = 483,482,611.05
  5. Step 5: Solve for x
    x = 483,482,611.05/27,520.13
  6. Step 6: Final answer
    x = 17,568.33

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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.