Home / 21,929.76-33,015.96-15,049.44

Finding the Fourth Proportional to 21,929.76, 33,015.96 and 15,049.44

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Solution

The fourth proportional to 21,929.76, 33,015.96 and 15,049.44 is: 22,657.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,929.76 : 33,015.96 = 15,049.44 : x
  2. Step 2: Convert to fraction form
    21,929.76/33,015.96 = 15,049.44/x
  3. Step 3: Cross multiply
    21,929.76x = 33,015.96 × 15,049.44
  4. Step 4: Simplify right side
    21,929.76x = 496,871,709.06
  5. Step 5: Solve for x
    x = 496,871,709.06/21,929.76
  6. Step 6: Final answer
    x = 22,657.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.