Home / 20,200.26-27,877.41-11,248.53

Finding the Fourth Proportional to 20,200.26, 27,877.41 and 11,248.53

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Solution

The fourth proportional to 20,200.26, 27,877.41 and 11,248.53 is: 15,523.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,200.26 : 27,877.41 = 11,248.53 : x
  2. Step 2: Convert to fraction form
    20,200.26/27,877.41 = 11,248.53/x
  3. Step 3: Cross multiply
    20,200.26x = 27,877.41 × 11,248.53
  4. Step 4: Simplify right side
    20,200.26x = 313,579,882.71
  5. Step 5: Solve for x
    x = 313,579,882.71/20,200.26
  6. Step 6: Final answer
    x = 15,523.56

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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.