Home / 18,732.39-28,095.75-7,042.88

Finding the Fourth Proportional to 18,732.39, 28,095.75 and 7,042.88

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Solution

The fourth proportional to 18,732.39, 28,095.75 and 7,042.88 is: 10,563.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,732.39 : 28,095.75 = 7,042.88 : x
  2. Step 2: Convert to fraction form
    18,732.39/28,095.75 = 7,042.88/x
  3. Step 3: Cross multiply
    18,732.39x = 28,095.75 × 7,042.88
  4. Step 4: Simplify right side
    18,732.39x = 197,874,855.28
  5. Step 5: Solve for x
    x = 197,874,855.28/18,732.39
  6. Step 6: Final answer
    x = 10,563.25

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1.5x scale

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.