Home / 20,070.53-27,697.80-10,996.76

Finding the Fourth Proportional to 20,070.53, 27,697.80 and 10,996.76

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Solution

The fourth proportional to 20,070.53, 27,697.80 and 10,996.76 is: 15,175.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,070.53 : 27,697.80 = 10,996.76 : x
  2. Step 2: Convert to fraction form
    20,070.53/27,697.80 = 10,996.76/x
  3. Step 3: Cross multiply
    20,070.53x = 27,697.80 × 10,996.76
  4. Step 4: Simplify right side
    20,070.53x = 304,586,107.75
  5. Step 5: Solve for x
    x = 304,586,107.75/20,070.53
  6. Step 6: Final answer
    x = 15,175.78

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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.