Home / 28,216.00-38,937.92-15,469.73

Finding the Fourth Proportional to 28,216.00, 38,937.92 and 15,469.73

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Solution

The fourth proportional to 28,216.00, 38,937.92 and 15,469.73 is: 21,348.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,216.00 : 38,937.92 = 15,469.73 : x
  2. Step 2: Convert to fraction form
    28,216.00/38,937.92 = 15,469.73/x
  3. Step 3: Cross multiply
    28,216.00x = 38,937.92 × 15,469.73
  4. Step 4: Simplify right side
    28,216.00x = 602,359,202.17
  5. Step 5: Solve for x
    x = 602,359,202.17/28,216.00
  6. Step 6: Final answer
    x = 21,348.15

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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.