Home / 21,940.64-32,914.08-8,088.56

Finding the Fourth Proportional to 21,940.64, 32,914.08 and 8,088.56

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Solution

The fourth proportional to 21,940.64, 32,914.08 and 8,088.56 is: 12,133.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,940.64 : 32,914.08 = 8,088.56 : x
  2. Step 2: Convert to fraction form
    21,940.64/32,914.08 = 8,088.56/x
  3. Step 3: Cross multiply
    21,940.64x = 32,914.08 × 8,088.56
  4. Step 4: Simplify right side
    21,940.64x = 266,227,510.92
  5. Step 5: Solve for x
    x = 266,227,510.92/21,940.64
  6. Step 6: Final answer
    x = 12,133.99

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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.