Home / 27,033.84-37,287.60-15,855.84

Finding the Fourth Proportional to 27,033.84, 37,287.60 and 15,855.84

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Solution

The fourth proportional to 27,033.84, 37,287.60 and 15,855.84 is: 21,869.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,033.84 : 37,287.60 = 15,855.84 : x
  2. Step 2: Convert to fraction form
    27,033.84/37,287.60 = 15,855.84/x
  3. Step 3: Cross multiply
    27,033.84x = 37,287.60 × 15,855.84
  4. Step 4: Simplify right side
    27,033.84x = 591,226,219.58
  5. Step 5: Solve for x
    x = 591,226,219.58/27,033.84
  6. Step 6: Final answer
    x = 21,869.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.