Home / 20,041.50-27,654.98-11,087.76

Finding the Fourth Proportional to 20,041.50, 27,654.98 and 11,087.76

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Solution

The fourth proportional to 20,041.50, 27,654.98 and 11,087.76 is: 15,299.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,041.50 : 27,654.98 = 11,087.76 : x
  2. Step 2: Convert to fraction form
    20,041.50/27,654.98 = 11,087.76/x
  3. Step 3: Cross multiply
    20,041.50x = 27,654.98 × 11,087.76
  4. Step 4: Simplify right side
    20,041.50x = 306,631,781.04
  5. Step 5: Solve for x
    x = 306,631,781.04/20,041.50
  6. Step 6: Final answer
    x = 15,299.84

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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.