Home / 27,136.53-37,448.51-15,813.79

Finding the Fourth Proportional to 27,136.53, 37,448.51 and 15,813.79

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Solution

The fourth proportional to 27,136.53, 37,448.51 and 15,813.79 is: 21,823.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,136.53 : 37,448.51 = 15,813.79 : x
  2. Step 2: Convert to fraction form
    27,136.53/37,448.51 = 15,813.79/x
  3. Step 3: Cross multiply
    27,136.53x = 37,448.51 × 15,813.79
  4. Step 4: Simplify right side
    27,136.53x = 592,202,872.95
  5. Step 5: Solve for x
    x = 592,202,872.95/27,136.53
  6. Step 6: Final answer
    x = 21,823.09

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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.