Home / 28,067.31-42,078.63-16,207.62

Finding the Fourth Proportional to 28,067.31, 42,078.63 and 16,207.62

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Solution

The fourth proportional to 28,067.31, 42,078.63 and 16,207.62 is: 24,298.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,067.31 : 42,078.63 = 16,207.62 : x
  2. Step 2: Convert to fraction form
    28,067.31/42,078.63 = 16,207.62/x
  3. Step 3: Cross multiply
    28,067.31x = 42,078.63 × 16,207.62
  4. Step 4: Simplify right side
    28,067.31x = 681,994,445.16
  5. Step 5: Solve for x
    x = 681,994,445.16/28,067.31
  6. Step 6: Final answer
    x = 24,298.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.