Home / 21,406.56-32,112.24-5,824.32

Finding the Fourth Proportional to 21,406.56, 32,112.24 and 5,824.32

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Solution

The fourth proportional to 21,406.56, 32,112.24 and 5,824.32 is: 8,737.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,406.56 : 32,112.24 = 5,824.32 : x
  2. Step 2: Convert to fraction form
    21,406.56/32,112.24 = 5,824.32/x
  3. Step 3: Cross multiply
    21,406.56x = 32,112.24 × 5,824.32
  4. Step 4: Simplify right side
    21,406.56x = 187,031,961.68
  5. Step 5: Solve for x
    x = 187,031,961.68/21,406.56
  6. Step 6: Final answer
    x = 8,737.13

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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.