Home / 28,302.66-42,451.38-9,580.56

Finding the Fourth Proportional to 28,302.66, 42,451.38 and 9,580.56

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Solution

The fourth proportional to 28,302.66, 42,451.38 and 9,580.56 is: 14,369.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,302.66 : 42,451.38 = 9,580.56 : x
  2. Step 2: Convert to fraction form
    28,302.66/42,451.38 = 9,580.56/x
  3. Step 3: Cross multiply
    28,302.66x = 42,451.38 × 9,580.56
  4. Step 4: Simplify right side
    28,302.66x = 406,707,822.83
  5. Step 5: Solve for x
    x = 406,707,822.83/28,302.66
  6. Step 6: Final answer
    x = 14,369.95

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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.