Home / 27,882.54-38,477.97-15,308.10

Finding the Fourth Proportional to 27,882.54, 38,477.97 and 15,308.10

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Solution

The fourth proportional to 27,882.54, 38,477.97 and 15,308.10 is: 21,125.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,882.54 : 38,477.97 = 15,308.10 : x
  2. Step 2: Convert to fraction form
    27,882.54/38,477.97 = 15,308.10/x
  3. Step 3: Cross multiply
    27,882.54x = 38,477.97 × 15,308.10
  4. Step 4: Simplify right side
    27,882.54x = 589,024,612.56
  5. Step 5: Solve for x
    x = 589,024,612.56/27,882.54
  6. Step 6: Final answer
    x = 21,125.21

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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.