Home / 21,371.88-32,061.51-9,529.86

Finding the Fourth Proportional to 21,371.88, 32,061.51 and 9,529.86

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Solution

The fourth proportional to 21,371.88, 32,061.51 and 9,529.86 is: 14,296.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,371.88 : 32,061.51 = 9,529.86 : x
  2. Step 2: Convert to fraction form
    21,371.88/32,061.51 = 9,529.86/x
  3. Step 3: Cross multiply
    21,371.88x = 32,061.51 × 9,529.86
  4. Step 4: Simplify right side
    21,371.88x = 305,541,701.69
  5. Step 5: Solve for x
    x = 305,541,701.69/21,371.88
  6. Step 6: Final answer
    x = 14,296.44

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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.