Home / 20,307.66-27,997.01-14,249.67

Finding the Fourth Proportional to 20,307.66, 27,997.01 and 14,249.67

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Solution

The fourth proportional to 20,307.66, 27,997.01 and 14,249.67 is: 19,645.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,307.66 : 27,997.01 = 14,249.67 : x
  2. Step 2: Convert to fraction form
    20,307.66/27,997.01 = 14,249.67/x
  3. Step 3: Cross multiply
    20,307.66x = 27,997.01 × 14,249.67
  4. Step 4: Simplify right side
    20,307.66x = 398,947,942.25
  5. Step 5: Solve for x
    x = 398,947,942.25/20,307.66
  6. Step 6: Final answer
    x = 19,645.20

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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.