Home / 20,247.78-27,926.87-14,868.53

Finding the Fourth Proportional to 20,247.78, 27,926.87 and 14,868.53

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Solution

The fourth proportional to 20,247.78, 27,926.87 and 14,868.53 is: 20,507.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,247.78 : 27,926.87 = 14,868.53 : x
  2. Step 2: Convert to fraction form
    20,247.78/27,926.87 = 14,868.53/x
  3. Step 3: Cross multiply
    20,247.78x = 27,926.87 × 14,868.53
  4. Step 4: Simplify right side
    20,247.78x = 415,231,504.40
  5. Step 5: Solve for x
    x = 415,231,504.40/20,247.78
  6. Step 6: Final answer
    x = 20,507.51

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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.