Home / 28,167.93-38,871.52-16,231.01

Finding the Fourth Proportional to 28,167.93, 38,871.52 and 16,231.01

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Solution

The fourth proportional to 28,167.93, 38,871.52 and 16,231.01 is: 22,398.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,167.93 : 38,871.52 = 16,231.01 : x
  2. Step 2: Convert to fraction form
    28,167.93/38,871.52 = 16,231.01/x
  3. Step 3: Cross multiply
    28,167.93x = 38,871.52 × 16,231.01
  4. Step 4: Simplify right side
    28,167.93x = 630,923,794.90
  5. Step 5: Solve for x
    x = 630,923,794.90/28,167.93
  6. Step 6: Final answer
    x = 22,398.66

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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.