Home / 21,617.28-32,424.71-7,571.88

Finding the Fourth Proportional to 21,617.28, 32,424.71 and 7,571.88

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Solution

The fourth proportional to 21,617.28, 32,424.71 and 7,571.88 is: 11,357.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,617.28 : 32,424.71 = 7,571.88 : x
  2. Step 2: Convert to fraction form
    21,617.28/32,424.71 = 7,571.88/x
  3. Step 3: Cross multiply
    21,617.28x = 32,424.71 × 7,571.88
  4. Step 4: Simplify right side
    21,617.28x = 245,515,975.30
  5. Step 5: Solve for x
    x = 245,515,975.30/21,617.28
  6. Step 6: Final answer
    x = 11,357.39

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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.