Home / 21,544.43-32,299.20-9,689.51

Finding the Fourth Proportional to 21,544.43, 32,299.20 and 9,689.51

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Solution

The fourth proportional to 21,544.43, 32,299.20 and 9,689.51 is: 14,526.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,544.43 : 32,299.20 = 9,689.51 : x
  2. Step 2: Convert to fraction form
    21,544.43/32,299.20 = 9,689.51/x
  3. Step 3: Cross multiply
    21,544.43x = 32,299.20 × 9,689.51
  4. Step 4: Simplify right side
    21,544.43x = 312,963,502.14
  5. Step 5: Solve for x
    x = 312,963,502.14/21,544.43
  6. Step 6: Final answer
    x = 14,526.43

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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.