Home / 27,217.30-37,559.89-15,281.78

Finding the Fourth Proportional to 27,217.30, 37,559.89 and 15,281.78

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Solution

The fourth proportional to 27,217.30, 37,559.89 and 15,281.78 is: 21,088.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,217.30 : 37,559.89 = 15,281.78 : x
  2. Step 2: Convert to fraction form
    27,217.30/37,559.89 = 15,281.78/x
  3. Step 3: Cross multiply
    27,217.30x = 37,559.89 × 15,281.78
  4. Step 4: Simplify right side
    27,217.30x = 573,981,975.80
  5. Step 5: Solve for x
    x = 573,981,975.80/27,217.30
  6. Step 6: Final answer
    x = 21,088.87

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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.