Home / 21,889.08-32,832.27-8,731.98

Finding the Fourth Proportional to 21,889.08, 32,832.27 and 8,731.98

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Solution

The fourth proportional to 21,889.08, 32,832.27 and 8,731.98 is: 13,097.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,889.08 : 32,832.27 = 8,731.98 : x
  2. Step 2: Convert to fraction form
    21,889.08/32,832.27 = 8,731.98/x
  3. Step 3: Cross multiply
    21,889.08x = 32,832.27 × 8,731.98
  4. Step 4: Simplify right side
    21,889.08x = 286,690,724.99
  5. Step 5: Solve for x
    x = 286,690,724.99/21,889.08
  6. Step 6: Final answer
    x = 13,097.43

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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.