Home / 20,070.75-27,697.86-10,996.35

Finding the Fourth Proportional to 20,070.75, 27,697.86 and 10,996.35

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Solution

The fourth proportional to 20,070.75, 27,697.86 and 10,996.35 is: 15,175.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,070.75 : 27,697.86 = 10,996.35 : x
  2. Step 2: Convert to fraction form
    20,070.75/27,697.86 = 10,996.35/x
  3. Step 3: Cross multiply
    20,070.75x = 27,697.86 × 10,996.35
  4. Step 4: Simplify right side
    20,070.75x = 304,575,362.81
  5. Step 5: Solve for x
    x = 304,575,362.81/20,070.75
  6. Step 6: Final answer
    x = 15,175.09

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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.