Home / 28,304.49-42,454.13-9,582.39

Finding the Fourth Proportional to 28,304.49, 42,454.13 and 9,582.39

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Solution

The fourth proportional to 28,304.49, 42,454.13 and 9,582.39 is: 14,372.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,304.49 : 42,454.13 = 9,582.39 : x
  2. Step 2: Convert to fraction form
    28,304.49/42,454.13 = 9,582.39/x
  3. Step 3: Cross multiply
    28,304.49x = 42,454.13 × 9,582.39
  4. Step 4: Simplify right side
    28,304.49x = 406,811,982.86
  5. Step 5: Solve for x
    x = 406,811,982.86/28,304.49
  6. Step 6: Final answer
    x = 14,372.70

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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.