Home / 28,174.52-38,882.14-15,599.54

Finding the Fourth Proportional to 28,174.52, 38,882.14 and 15,599.54

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Solution

The fourth proportional to 28,174.52, 38,882.14 and 15,599.54 is: 21,528.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,174.52 : 38,882.14 = 15,599.54 : x
  2. Step 2: Convert to fraction form
    28,174.52/38,882.14 = 15,599.54/x
  3. Step 3: Cross multiply
    28,174.52x = 38,882.14 × 15,599.54
  4. Step 4: Simplify right side
    28,174.52x = 606,543,498.22
  5. Step 5: Solve for x
    x = 606,543,498.22/28,174.52
  6. Step 6: Final answer
    x = 21,528.09

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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.