Home / 27,228.92-37,575.68-15,291.99

Finding the Fourth Proportional to 27,228.92, 37,575.68 and 15,291.99

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Solution

The fourth proportional to 27,228.92, 37,575.68 and 15,291.99 is: 21,102.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,228.92 : 37,575.68 = 15,291.99 : x
  2. Step 2: Convert to fraction form
    27,228.92/37,575.68 = 15,291.99/x
  3. Step 3: Cross multiply
    27,228.92x = 37,575.68 × 15,291.99
  4. Step 4: Simplify right side
    27,228.92x = 574,606,846.34
  5. Step 5: Solve for x
    x = 574,606,846.34/27,228.92
  6. Step 6: Final answer
    x = 21,102.82

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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.