Home / 27,253.35-37,609.99-15,315.98

Finding the Fourth Proportional to 27,253.35, 37,609.99 and 15,315.98

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Solution

The fourth proportional to 27,253.35, 37,609.99 and 15,315.98 is: 21,136.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,253.35 : 37,609.99 = 15,315.98 : x
  2. Step 2: Convert to fraction form
    27,253.35/37,609.99 = 15,315.98/x
  3. Step 3: Cross multiply
    27,253.35x = 37,609.99 × 15,315.98
  4. Step 4: Simplify right side
    27,253.35x = 576,033,628.30
  5. Step 5: Solve for x
    x = 576,033,628.30/27,253.35
  6. Step 6: Final answer
    x = 21,136.25

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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.