Home / 20,476.62-28,252.08-11,523.60

Finding the Fourth Proportional to 20,476.62, 28,252.08 and 11,523.60

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Solution

The fourth proportional to 20,476.62, 28,252.08 and 11,523.60 is: 15,899.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,476.62 : 28,252.08 = 11,523.60 : x
  2. Step 2: Convert to fraction form
    20,476.62/28,252.08 = 11,523.60/x
  3. Step 3: Cross multiply
    20,476.62x = 28,252.08 × 11,523.60
  4. Step 4: Simplify right side
    20,476.62x = 325,565,669.09
  5. Step 5: Solve for x
    x = 325,565,669.09/20,476.62
  6. Step 6: Final answer
    x = 15,899.39

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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.