Home / 21,731.44-32,571.60-10,019.92

Finding the Fourth Proportional to 21,731.44, 32,571.60 and 10,019.92

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Solution

The fourth proportional to 21,731.44, 32,571.60 and 10,019.92 is: 15,018.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,731.44 : 32,571.60 = 10,019.92 : x
  2. Step 2: Convert to fraction form
    21,731.44/32,571.60 = 10,019.92/x
  3. Step 3: Cross multiply
    21,731.44x = 32,571.60 × 10,019.92
  4. Step 4: Simplify right side
    21,731.44x = 326,364,826.27
  5. Step 5: Solve for x
    x = 326,364,826.27/21,731.44
  6. Step 6: Final answer
    x = 15,018.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.