Home / 21,332.31-32,004.62-6,543.41

Finding the Fourth Proportional to 21,332.31, 32,004.62 and 6,543.41

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Solution

The fourth proportional to 21,332.31, 32,004.62 and 6,543.41 is: 9,816.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,332.31 : 32,004.62 = 6,543.41 : x
  2. Step 2: Convert to fraction form
    21,332.31/32,004.62 = 6,543.41/x
  3. Step 3: Cross multiply
    21,332.31x = 32,004.62 × 6,543.41
  4. Step 4: Simplify right side
    21,332.31x = 209,419,157.81
  5. Step 5: Solve for x
    x = 209,419,157.81/21,332.31
  6. Step 6: Final answer
    x = 9,816.99

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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.