Home / 20,244.54-27,951.25-13,091.76

Finding the Fourth Proportional to 20,244.54, 27,951.25 and 13,091.76

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Solution

The fourth proportional to 20,244.54, 27,951.25 and 13,091.76 is: 18,075.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,244.54 : 27,951.25 = 13,091.76 : x
  2. Step 2: Convert to fraction form
    20,244.54/27,951.25 = 13,091.76/x
  3. Step 3: Cross multiply
    20,244.54x = 27,951.25 × 13,091.76
  4. Step 4: Simplify right side
    20,244.54x = 365,931,056.70
  5. Step 5: Solve for x
    x = 365,931,056.70/20,244.54
  6. Step 6: Final answer
    x = 18,075.54

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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.