Home / 28,306.94-39,061.17-16,370.96

Finding the Fourth Proportional to 28,306.94, 39,061.17 and 16,370.96

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Solution

The fourth proportional to 28,306.94, 39,061.17 and 16,370.96 is: 22,590.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,306.94 : 39,061.17 = 16,370.96 : x
  2. Step 2: Convert to fraction form
    28,306.94/39,061.17 = 16,370.96/x
  3. Step 3: Cross multiply
    28,306.94x = 39,061.17 × 16,370.96
  4. Step 4: Simplify right side
    28,306.94x = 639,468,656.32
  5. Step 5: Solve for x
    x = 639,468,656.32/28,306.94
  6. Step 6: Final answer
    x = 22,590.53

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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.