Home / 28,248.07-38,982.51-16,311.37

Finding the Fourth Proportional to 28,248.07, 38,982.51 and 16,311.37

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Solution

The fourth proportional to 28,248.07, 38,982.51 and 16,311.37 is: 22,509.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,248.07 : 38,982.51 = 16,311.37 : x
  2. Step 2: Convert to fraction form
    28,248.07/38,982.51 = 16,311.37/x
  3. Step 3: Cross multiply
    28,248.07x = 38,982.51 × 16,311.37
  4. Step 4: Simplify right side
    28,248.07x = 635,857,949.23
  5. Step 5: Solve for x
    x = 635,857,949.23/28,248.07
  6. Step 6: Final answer
    x = 22,509.79

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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.