Home / 27,072.81-37,355.91-15,136.25

Finding the Fourth Proportional to 27,072.81, 37,355.91 and 15,136.25

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Solution

The fourth proportional to 27,072.81, 37,355.91 and 15,136.25 is: 20,885.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,072.81 : 37,355.91 = 15,136.25 : x
  2. Step 2: Convert to fraction form
    27,072.81/37,355.91 = 15,136.25/x
  3. Step 3: Cross multiply
    27,072.81x = 37,355.91 × 15,136.25
  4. Step 4: Simplify right side
    27,072.81x = 565,428,205.96
  5. Step 5: Solve for x
    x = 565,428,205.96/27,072.81
  6. Step 6: Final answer
    x = 20,885.46

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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.