Home / 28,458.28-39,272.42-16,523.88

Finding the Fourth Proportional to 28,458.28, 39,272.42 and 16,523.88

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Solution

The fourth proportional to 28,458.28, 39,272.42 and 16,523.88 is: 22,802.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,458.28 : 39,272.42 = 16,523.88 : x
  2. Step 2: Convert to fraction form
    28,458.28/39,272.42 = 16,523.88/x
  3. Step 3: Cross multiply
    28,458.28x = 39,272.42 × 16,523.88
  4. Step 4: Simplify right side
    28,458.28x = 648,932,755.39
  5. Step 5: Solve for x
    x = 648,932,755.39/28,458.28
  6. Step 6: Final answer
    x = 22,802.95

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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.