Home / 27,882.01-38,476.69-15,306.67

Finding the Fourth Proportional to 27,882.01, 38,476.69 and 15,306.67

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Solution

The fourth proportional to 27,882.01, 38,476.69 and 15,306.67 is: 21,122.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,882.01 : 38,476.69 = 15,306.67 : x
  2. Step 2: Convert to fraction form
    27,882.01/38,476.69 = 15,306.67/x
  3. Step 3: Cross multiply
    27,882.01x = 38,476.69 × 15,306.67
  4. Step 4: Simplify right side
    27,882.01x = 588,949,996.52
  5. Step 5: Solve for x
    x = 588,949,996.52/27,882.01
  6. Step 6: Final answer
    x = 21,122.94

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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.