Home / 21,544.79-32,310.61-17,318.01

Finding the Fourth Proportional to 21,544.79, 32,310.61 and 17,318.01

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Solution

The fourth proportional to 21,544.79, 32,310.61 and 17,318.01 is: 25,971.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,544.79 : 32,310.61 = 17,318.01 : x
  2. Step 2: Convert to fraction form
    21,544.79/32,310.61 = 17,318.01/x
  3. Step 3: Cross multiply
    21,544.79x = 32,310.61 × 17,318.01
  4. Step 4: Simplify right side
    21,544.79x = 559,555,557.37
  5. Step 5: Solve for x
    x = 559,555,557.37/21,544.79
  6. Step 6: Final answer
    x = 25,971.74

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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.