Home / 20,071.75-27,699.24-10,997.35

Finding the Fourth Proportional to 20,071.75, 27,699.24 and 10,997.35

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Solution

The fourth proportional to 20,071.75, 27,699.24 and 10,997.35 is: 15,176.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,071.75 : 27,699.24 = 10,997.35 : x
  2. Step 2: Convert to fraction form
    20,071.75/27,699.24 = 10,997.35/x
  3. Step 3: Cross multiply
    20,071.75x = 27,699.24 × 10,997.35
  4. Step 4: Simplify right side
    20,071.75x = 304,618,237.01
  5. Step 5: Solve for x
    x = 304,618,237.01/20,071.75
  6. Step 6: Final answer
    x = 15,176.47

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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.