Home / 27,221.67-37,565.78-15,286.05

Finding the Fourth Proportional to 27,221.67, 37,565.78 and 15,286.05

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Solution

The fourth proportional to 27,221.67, 37,565.78 and 15,286.05 is: 21,094.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,221.67 : 37,565.78 = 15,286.05 : x
  2. Step 2: Convert to fraction form
    27,221.67/37,565.78 = 15,286.05/x
  3. Step 3: Cross multiply
    27,221.67x = 37,565.78 × 15,286.05
  4. Step 4: Simplify right side
    27,221.67x = 574,232,314.94
  5. Step 5: Solve for x
    x = 574,232,314.94/27,221.67
  6. Step 6: Final answer
    x = 21,094.68

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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.