Home / 27,136.35-40,673.25-10,489.05

Finding the Fourth Proportional to 27,136.35, 40,673.25 and 10,489.05

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Solution

The fourth proportional to 27,136.35, 40,673.25 and 10,489.05 is: 15,721.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,136.35 : 40,673.25 = 10,489.05 : x
  2. Step 2: Convert to fraction form
    27,136.35/40,673.25 = 10,489.05/x
  3. Step 3: Cross multiply
    27,136.35x = 40,673.25 × 10,489.05
  4. Step 4: Simplify right side
    27,136.35x = 426,623,752.91
  5. Step 5: Solve for x
    x = 426,623,752.91/27,136.35
  6. Step 6: Final answer
    x = 15,721.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.