Home / 18,278.65-27,262.04-17,962.75

Finding the Fourth Proportional to 18,278.65, 27,262.04 and 17,962.75

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Solution

The fourth proportional to 18,278.65, 27,262.04 and 17,962.75 is: 26,790.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,278.65 : 27,262.04 = 17,962.75 : x
  2. Step 2: Convert to fraction form
    18,278.65/27,262.04 = 17,962.75/x
  3. Step 3: Cross multiply
    18,278.65x = 27,262.04 × 17,962.75
  4. Step 4: Simplify right side
    18,278.65x = 489,701,209.01
  5. Step 5: Solve for x
    x = 489,701,209.01/18,278.65
  6. Step 6: Final answer
    x = 26,790.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.