Home / 28,002.61-38,643.30-16,067.82

Finding the Fourth Proportional to 28,002.61, 38,643.30 and 16,067.82

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Solution

The fourth proportional to 28,002.61, 38,643.30 and 16,067.82 is: 22,173.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,002.61 : 38,643.30 = 16,067.82 : x
  2. Step 2: Convert to fraction form
    28,002.61/38,643.30 = 16,067.82/x
  3. Step 3: Cross multiply
    28,002.61x = 38,643.30 × 16,067.82
  4. Step 4: Simplify right side
    28,002.61x = 620,913,561.34
  5. Step 5: Solve for x
    x = 620,913,561.34/28,002.61
  6. Step 6: Final answer
    x = 22,173.42

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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.