Home / 27,552.57-38,025.74-15,456.38

Finding the Fourth Proportional to 27,552.57, 38,025.74 and 15,456.38

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Solution

The fourth proportional to 27,552.57, 38,025.74 and 15,456.38 is: 21,331.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,552.57 : 38,025.74 = 15,456.38 : x
  2. Step 2: Convert to fraction form
    27,552.57/38,025.74 = 15,456.38/x
  3. Step 3: Cross multiply
    27,552.57x = 38,025.74 × 15,456.38
  4. Step 4: Simplify right side
    27,552.57x = 587,740,019.81
  5. Step 5: Solve for x
    x = 587,740,019.81/27,552.57
  6. Step 6: Final answer
    x = 21,331.59

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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.