Home / 21,376.83-32,047.97-8,906.24

Finding the Fourth Proportional to 21,376.83, 32,047.97 and 8,906.24

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Solution

The fourth proportional to 21,376.83, 32,047.97 and 8,906.24 is: 13,352.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,376.83 : 32,047.97 = 8,906.24 : x
  2. Step 2: Convert to fraction form
    21,376.83/32,047.97 = 8,906.24/x
  3. Step 3: Cross multiply
    21,376.83x = 32,047.97 × 8,906.24
  4. Step 4: Simplify right side
    21,376.83x = 285,426,947.92
  5. Step 5: Solve for x
    x = 285,426,947.92/21,376.83
  6. Step 6: Final answer
    x = 13,352.16

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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.