Home / 21,366.79-32,038.44-6,571.60

Finding the Fourth Proportional to 21,366.79, 32,038.44 and 6,571.60

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Solution

The fourth proportional to 21,366.79, 32,038.44 and 6,571.60 is: 9,853.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,366.79 : 32,038.44 = 6,571.60 : x
  2. Step 2: Convert to fraction form
    21,366.79/32,038.44 = 6,571.60/x
  3. Step 3: Cross multiply
    21,366.79x = 32,038.44 × 6,571.60
  4. Step 4: Simplify right side
    21,366.79x = 210,543,812.30
  5. Step 5: Solve for x
    x = 210,543,812.30/21,366.79
  6. Step 6: Final answer
    x = 9,853.79

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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.