Home / 21,601.20-32,411.21-7,571.33

Finding the Fourth Proportional to 21,601.20, 32,411.21 and 7,571.33

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Solution

The fourth proportional to 21,601.20, 32,411.21 and 7,571.33 is: 11,360.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,601.20 : 32,411.21 = 7,571.33 : x
  2. Step 2: Convert to fraction form
    21,601.20/32,411.21 = 7,571.33/x
  3. Step 3: Cross multiply
    21,601.20x = 32,411.21 × 7,571.33
  4. Step 4: Simplify right side
    21,601.20x = 245,395,966.61
  5. Step 5: Solve for x
    x = 245,395,966.61/21,601.20
  6. Step 6: Final answer
    x = 11,360.29

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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.