Home / 28,640.34-39,527.28-16,065

Finding the Fourth Proportional to 28,640.34, 39,527.28 and 16,065

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Solution

The fourth proportional to 28,640.34, 39,527.28 and 16,065 is: 22,171.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,640.34 : 39,527.28 = 16,065 : x
  2. Step 2: Convert to fraction form
    28,640.34/39,527.28 = 16,065/x
  3. Step 3: Cross multiply
    28,640.34x = 39,527.28 × 16,065
  4. Step 4: Simplify right side
    28,640.34x = 635,005,753.20
  5. Step 5: Solve for x
    x = 635,005,753.20/28,640.34
  6. Step 6: Final answer
    x = 22,171.73

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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.