Home / 20,284.40-27,969-14,882.24

Finding the Fourth Proportional to 20,284.40, 27,969 and 14,882.24

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Solution

The fourth proportional to 20,284.40, 27,969 and 14,882.24 is: 20,520.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,284.40 : 27,969 = 14,882.24 : x
  2. Step 2: Convert to fraction form
    20,284.40/27,969 = 14,882.24/x
  3. Step 3: Cross multiply
    20,284.40x = 27,969 × 14,882.24
  4. Step 4: Simplify right side
    20,284.40x = 416,241,370.56
  5. Step 5: Solve for x
    x = 416,241,370.56/20,284.40
  6. Step 6: Final answer
    x = 20,520.27

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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.