Home / 27,286.42-37,644.60-15,347.02

Finding the Fourth Proportional to 27,286.42, 37,644.60 and 15,347.02

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Solution

The fourth proportional to 27,286.42, 37,644.60 and 15,347.02 is: 21,172.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,286.42 : 37,644.60 = 15,347.02 : x
  2. Step 2: Convert to fraction form
    27,286.42/37,644.60 = 15,347.02/x
  3. Step 3: Cross multiply
    27,286.42x = 37,644.60 × 15,347.02
  4. Step 4: Simplify right side
    27,286.42x = 577,732,429.09
  5. Step 5: Solve for x
    x = 577,732,429.09/27,286.42
  6. Step 6: Final answer
    x = 21,172.89

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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.