Home / 27,259.35-37,618.26-15,321.99

Finding the Fourth Proportional to 27,259.35, 37,618.26 and 15,321.99

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Solution

The fourth proportional to 27,259.35, 37,618.26 and 15,321.99 is: 21,144.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,259.35 : 37,618.26 = 15,321.99 : x
  2. Step 2: Convert to fraction form
    27,259.35/37,618.26 = 15,321.99/x
  3. Step 3: Cross multiply
    27,259.35x = 37,618.26 × 15,321.99
  4. Step 4: Simplify right side
    27,259.35x = 576,386,603.54
  5. Step 5: Solve for x
    x = 576,386,603.54/27,259.35
  6. Step 6: Final answer
    x = 21,144.55

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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.