Home / 28,072.17-42,094.18-9,345.61

Finding the Fourth Proportional to 28,072.17, 42,094.18 and 9,345.61

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Solution

The fourth proportional to 28,072.17, 42,094.18 and 9,345.61 is: 14,013.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,072.17 : 42,094.18 = 9,345.61 : x
  2. Step 2: Convert to fraction form
    28,072.17/42,094.18 = 9,345.61/x
  3. Step 3: Cross multiply
    28,072.17x = 42,094.18 × 9,345.61
  4. Step 4: Simplify right side
    28,072.17x = 393,395,853.85
  5. Step 5: Solve for x
    x = 393,395,853.85/28,072.17
  6. Step 6: Final answer
    x = 14,013.73

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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.